- New York Mets signed free agent Joe Ginsberg on January 30, 1962.
- New York Mets signed free agent Clem Labine on February 16, 1962.
- New York Mets released Clem Labine on May 1, 1962.
- New York Mets released Joe Ginsberg on May 1, 1962.
- New York Mets signed free agent Ed Kranepool on June 27, 1962.
- New York Mets signed free agent Cleon Jones on July 5, 1962.
- New York Mets released Vinegar Bend Mizell on August 4, 1962.
- New York Mets released Gene Woodling on March 8, 1963.
- New York Mets released Gil Hodges on May 22, 1963.
- New York Mets signed free agent Dick Selma on May 28, 1963.
- New York Mets signed free agent Bud Harrelson on June 7, 1963.
- New York Mets released Jim Piersall on July 27, 1963.
- New York Mets signed free agent Ron Swoboda on September 5, 1963.
- New York Mets signed free agent Tom Sturdivant on May 10, 1964.
- New York Mets signed free agent Tug McGraw on June 12, 1964.
- New York Mets signed free agent Dennis Musgraves on June 20, 1964.
- New York Mets released Tom Sturdivant on June 27, 1964.
- New York Mets signed free agent Jerry Koosman on August 27, 1964.
- New York Mets released Norm Sherry on October 15, 1964.
- New York Mets signed free agent Yogi Berra on April 27, 1965.
- New York Mets released Yogi Berra on May 17, 1965.
- New York Mets selected Les Rohr in first round (second pick overall) of free agent draft on June 8, 1965.
- New York Mets selected Nolan Ryan in 10th round of free agent draft on June 8, 1965.
- New York Mets selected Ken Boswell in fourth round of free agent draft on June 8, 1965.
- New York Mets selected Jim McAndrew in 11th round of free agent draft on June 8, 1965.
- New York Mets selected Joe Moock in third round of free agent draft on June 8, 1965.
- New York Mets selected Don Shaw in 35th round of free agent draft on June 8, 1965.
- New York Mets released Warren Spahn on July 22, 1965.
- New York Mets released Dick Stuart on June 20, 1966.
- New York Mets signed free agent Jerry Morales on June 23, 1966.
- New York Mets selected Mike Jorgensen in fourth round of free agent draft on June 29, 1966.
- New York Mets selected Duffy Dyer in seventh round of free agent draft on July 2, 1966.
- New York Mets signed free agent Danny Frisella on July 18, 1966.
- New York Mets signed free agent Ted Martinez on October 6, 1966.
- New York Mets released Bob Friend on October 17, 1966.
- New York Mets released Roy McMillan on October 17, 1966.
- New York Mets released Ralph Terry on November 30, 1966.
- New York Mets selected Ken Singleton in first round (third pick overall) of free agent draft on January 28, 1967.
- New York Mets signed free agent Ralph Terry on April 12, 1967.
- New York Mets released Ralph Terry on May 16, 1967.
- New York Mets selected Jon Matlack in first round (fourth pick overall) of free agent draft on June 6, 1967.
- New York Mets selected Gary Gentry in third round of free agent draft on June 6, 1967.
- New York Mets selected Dave Schneck in 38th round of free agent draft on June 6, 1967.
- New York Mets selected Rod Gaspar in second round of free agent draft on June 6, 1967.
- New York Mets released Hal Reniff on October 3, 1967.
- New York Mets signed free agent Phil Linz on April 2, 1968.
- New York Mets selected John Milner in 14th round of free agent draft on June 7, 1968.
- New York Mets selected Tim Foli in first round (first pick overall) of free agent draft on June 7, 1968.
- New York Mets selected Hank Webb in 10th round of free agent draft on June 7, 1968.
- New York Mets selected Charlie Williams in seventh round of free agent draft on June 7, 1968.
- New York Mets selected George Theodore in 31st round of free agent draft on June 5, 1969.
- New York Mets selected Buzz Capra in 27th round of free agent draft on June 5, 1969.
- New York Mets selected Lute Barnes in 21st round of free agent draft on June 5, 1969.
- New York Mets selected Randy Sterling in first round (fourth pick overall) of free agent draft on June 5, 1969.
- New York Mets released Ed Charles on October 28, 1969.
- New York Mets selected Roy Staiger in first round (24th pick overall) of free agent draft on January 17, 1970.
- New York Mets released Bobby Pfeil on May 26, 1970.
- New York Mets selected Bruce Boisclair in 20th round of free agent draft on June 4, 1970.
- New York Mets signed free agent Ike Hampton on August 22, 1970.
- New York Mets signed free agent Nino Espinosa on September 30, 1970.
- New York Mets selected Frank Estrada in fifth round of free agent draft on January 13, 1971.
- New York Mets signed free agent Benny Ayala on January 28, 1971.
- New York Mets selected Rick Baldwin in ninth round of free agent draft on June 8, 1971.
- New York Mets selected Rich Puig in first round (14th pick overall) of free agent draft on June 8, 1971.
- New York Mets released Al Weis on July 1, 1971.
- New York Mets released Bob Aspromonte on October 28, 1971.
- New York Mets released Donn Clendenon on December 9, 1971.
- New York Mets selected Ron Hodges in free agent draft on January 12, 1972.
- New York Mets selected Randy Tate in fifth round of free agent draft on January 12, 1972.
- New York Mets selected Craig Swan in third round of free agent draft on June 6, 1972.
- New York Mets selected Brock Pemberton in sixth round of free agent draft on June 6, 1972.
- New York Mets selected Lee Mazzilli in first round (14th pick overall) of free agent draft on June 5, 1973.
- New York Mets selected Mardie Cornejo in 21st round of free agent draft on June 5, 1973.
- New York Mets selected Jackson Todd in second round of free agent draft on June 5, 1973.
- New York Mets released Jerry May on July 30, 1973.
- Willie Mays announced his retirement on October 24, 1973.
- New York Mets released Jim Beauchamp on March 27, 1974.
- New York Mets released Rich Chiles on April 6, 1974.
- New York Mets selected John Pacella in fourth round of free agent draft on June 5, 1974.
- New York Mets selected Dwight Bernard in second round of free agent draft on June 5, 1974.
- New York Mets selected Bob Myrick in 20th round of free agent draft on June 5, 1974.
- New York Mets released Jim Gosger on October 1, 1974.
- New York Mets released Bob Miller on October 1, 1974.
- New York Mets released Jack Aker on November 4, 1974.
- New York Mets signed free agent Juan Berenguer on February 22, 1975.
- New York Mets signed free agent Jesus Alou on April 12, 1975.
- New York Mets signed free agent Gary Gentry on May 29, 1975.
- New York Mets selected Butch Benton in first round (sixth pick overall) of free agent draft on June 3, 1975.
- New York Mets released Gary Gentry on June 19, 1975.
- New York Mets signed free agent Roy Lee Jackson on June 27, 1975.
- New York Mets released Cleon Jones on July 27, 1975.
- New York Mets signed free agent Kelvin Chapman on December 3, 1975.
- New York Mets released Jesus Alou on March 30, 1976.
- New York Mets selected Neil Allen in 11th round of free agent draft on June 8, 1976.
- New York Mets selected Mike Scott in second round of free agent draft on June 8, 1976.
- New York Mets signed free agent Greg Harris on September 17, 1976.
- New York Mets signed free agent Jeff Reardon on January 4, 1977.
- Mickey Lolich announced his retirement on February 7, 1977.
- New York Mets signed free agent Ray Sadecki on March 31, 1977.
- New York Mets released Ray Sadecki on May 2, 1977.
- New York Mets selected Wally Backman in first round (16th pick overall) of free agent draft on June 7, 1977.
- New York Mets selected Mookie Wilson in second round of free agent draft on June 7, 1977.
- New York Mets selected Brent Gaff in sixth round of free agent draft on June 7, 1977.
- New York Mets released Joe Torre on June 18, 1977.
- New York Mets selected Hubie Brooks in first round (third pick overall) of free agent draft on June 6, 1978.
- New York Mets selected Brian Giles in second round of free agent draft on June 6, 1978.
- New York Mets selected Mike Fitzgerald in sixth round of free agent draft on June 6, 1978.
- New York Mets selected Rick Anderson in 24th round of free agent draft on June 6, 1978.
- New York Mets selected Rusty Tillman in 10th round of free agent draft on January 9, 1979.
- New York Mets released Bobby Valentine on March 26, 1979.
- New York Mets released Lenny Randle on March 29, 1979.
- New York Mets signed free agent Wayne Twitchell on April 4, 1979.
- New York Mets signed free agent Jose Oquendo on April 15, 1979.
- New York Mets selected Ron Gardenhire in sixth round of free agent draft on June 5, 1979.
- New York Mets selected Tim Leary in first round (second pick overall) of free agent draft on June 5, 1979.
- Ed Kranepool granted free agency on November 1, 1979.
- New York Mets released Bob Apodaca on December 11, 1979.
- New York Mets signed free agent Scott Holman on December 26, 1979.
- New York Mets released Bruce Boisclair on April 1, 1980.
- New York Mets signed free agent Dyar Miller on April 12, 1980.
- New York Mets selected Darryl Strawberry in first round (first pick overall) of free agent draft on June 3, 1980.
- New York Mets selected Billy Beane in first round (23rd pick overall) of free agent draft on June 3, 1980.
- New York Mets selected John Gibbons in first round (24th pick overall) of free agent draft on June 3, 1980.
- New York Mets selected Ronn Reynolds in fifth round of free agent draft on June 3, 1980.
- New York Mets selected Rick Ownbey in 13th round of free agent draft on June 3, 1980.
- New York Mets signed free agent Doug Sisk on June 10, 1980.
- New York Mets signed free agent Bill Almon on July 11, 1980.
- New York Mets released Jose Cardenal on August 13, 1980.
- New York Mets signed free agent Kevin Mitchell on November 16, 1980.
- New York Mets released Bill Almon on December 19, 1980.
- New York Mets selected Herm Winningham in first round (ninth pick overall) of free agent draft on January 13, 1981.
- New York Mets selected Randy Milligan in first round (third pick overall) of free agent draft on January 13, 1981.
- New York Mets released Elliott Maddox on February 5, 1981.
- New York Mets selected Lenny Dykstra in 12th round of free agent draft on June 8, 1981.
- New York Mets selected Mark Carreon in eighth round of free agent draft on June 8, 1981.
- New York Mets selected Terry Blocker in first round (fourth pick overall) of free agent draft on June 8, 1981.
- New York Mets selected John Christensen in second round of free agent draft on June 8, 1981.
- New York Mets selected Lou Thornton in 19th round of free agent draft on June 8, 1981.
- New York Mets signed free agent Mike Marshall on August 19, 1981.
- New York Mets released Mike Marshall on October 12, 1981.
- New York Mets released Dyar Miller on October 22, 1981.
- New York Mets released Mike Cubbage on April 5, 1982.
- New York Mets selected Dwight Gooden in first round (fifth pick overall) of free agent draft on June 7, 1982.
- New York Mets selected Roger McDowell in third round of free agent draft on June 7, 1982.
- New York Mets selected Barry Lyons in 15th round of free agent draft on June 7, 1982.
- New York Mets selected Randy Myers in free agent draft on June 7, 1982.
- New York Mets selected Mickey Weston in 12th round of free agent draft on June 7, 1982.
- New York Mets released Randy Jones on November 5, 1982.
- New York Mets signed free agent Mike Bishop on January 10, 1983.
- New York Mets selected Jeff McKnight in second round of free agent draft on January 11, 1983.
- New York Mets released Bruce Bochy on January 21, 1983.
- New York Mets signed free agent Ed Hearn on February 3, 1983.
- New York Mets signed free agent Clint Hurdle on April 7, 1983.
- New York Mets selected Stan Jefferson in first round (20th pick overall) of free agent draft on June 6, 1983.
- New York Mets selected Dave Magadan in second round of free agent draft on June 6, 1983.
- New York Mets selected Jeff Innis in 13th round of free agent draft on June 6, 1983.
- New York Mets selected Rick Aguilera in third round of free agent draft on June 6, 1983.
- New York Mets selected Calvin Schiraldi in first round (27th pick overall) of free agent draft on June 6, 1983.
- New York Mets selected David West in fourth round of free agent draft on June 6, 1983.
- New York Mets selected Kevin Elster in second round of free agent draft on January 17, 1984.
- New York Mets signed free agent Rafael Santana on January 17, 1984.
- New York Mets released Dave Kingman on January 30, 1984.
- New York Mets released Mark Bradley on February 22, 1984.
- New York Mets released Dick Tidrow on May 8, 1984.
- New York Mets released Craig Swan on May 9, 1984.
- New York Mets signed free agent Terry Leach on May 26, 1984.
- New York Mets selected Mauro Gozzo in 13th round of free agent draft on June 4, 1984.
- New York Mets released Mike Torrez on June 22, 1984.
- New York Mets signed free agent Jeff Gardner on August 28, 1984.
- New York Mets signed free agent Keith Miller on September 6, 1984.
- New York Mets released Jerry Martin on September 30, 1984.
- New York Mets released Ron Hodges on October 31, 1984.
- John Stearns granted free agency on November 8, 1984.
- New York Mets selected Gregg Jefferies in first round (20th pick overall) of free agent draft on June 3, 1985.
- New York Mets signed free agent Larry Bowa on August 20, 1985.
- Larry Bowa granted free agency on November 12, 1985.
- Rusty Staub granted free agency on November 12, 1985.
- New York Mets released Kelvin Chapman on November 13, 1985.
- New York Mets released Tom Paciorek on November 13, 1985.
- New York Mets released Brent Gaff on November 13, 1985.
- New York Mets selected Terry McDaniel in sixth round of free agent draft on January 14, 1986.
- New York Mets released Ross Jones on February 7, 1986.
- New York Mets signed free agent Tim Corcoran on March 4, 1986.
- New York Mets released Tom Gorman on April 1, 1986.
- New York Mets released Tim Corcoran on June 9, 1986.
- New York Mets signed free agent Lee Mazzilli on August 3, 1986.
- New York Mets released George Foster on August 7, 1986.
- New York Mets signed free agent Clint Hurdle on February 9, 1987.
- New York Mets signed free agent Bob Gibson on April 7, 1987.
- New York Mets signed free agent Alberto Castillo on April 15, 1987.
- New York Mets selected Todd Hundley in second round of free agent draft on June 2, 1987.
- New York Mets selected Chris Donnels in first round (24th pick overall) of free agent draft on June 2, 1987.
- New York Mets selected Anthony Young in 38th round of free agent draft on June 2, 1987.
- New York Mets selected Tim Bogar in eighth round of free agent draft on June 2, 1987.
- New York Mets selected Eric Hillman in 16th round of free agent draft on June 2, 1987.
- New York Mets selected Pete Schourek in second round of free agent draft on June 2, 1987.
- New York Mets selected Pat Howell in ninth round of free agent draft on June 2, 1987.
- New York Mets signed free agent Tito Navarro on September 2, 1987.
- Bob Gibson granted free agency on October 15, 1987.
- New York Mets signed free agent Juan Castillo on May 2, 1988.
- New York Mets selected Kevin Baez in seventh round of free agent draft on June 1, 1988.
- New York Mets signed free agent Bob McClure on July 13, 1988.
- Mickey Weston granted free agency on October 15, 1988.
- New York Mets released Bob McClure on October 27, 1988.
- New York Mets signed free agent Don Aase on February 20, 1989.
- New York Mets released Ed Nunez on March 28, 1989.
- New York Mets signed free agent Julio Machado on April 5, 1989.
- New York Mets selected Butch Huskey in seventh round of free agent draft on June 5, 1989.
- New York Mets selected Brook Fordyce in third round of free agent draft on June 5, 1989.
- New York Mets selected Joe Vitko in 24th round of free agent draft on June 5, 1989.
- New York Mets selected Dave Telgheder in 31st round of free agent draft on June 5, 1989.
- New York Mets signed free agent Lou Thornton on June 9, 1989.
- New York Mets released Jeff McKnight on September 29, 1989.
- New York Mets released Manny Hernandez on October 3, 1989.
- New York Mets released Gary Carter on November 14, 1989.
- New York Mets signed free agent D.J. Dozier on March 26, 1990.
- New York Mets selected Jeromy Burnitz in first round (17th pick overall) of free agent draft on June 4, 1990.
- New York Mets selected Aaron Ledesma in second round of free agent draft on June 4, 1990.
- New York Mets selected Pete Walker in seventh round of free agent draft on June 4, 1990.
- New York Mets selected Fernando Vina in ninth round of free agent draft on June 4, 1990.
- New York Mets selected Brian Daubach in 17th round of free agent draft on June 4, 1990.
- New York Mets selected Raul Casanova in eighth round of free agent draft on June 4, 1990.
- New York Mets signed free agent Doug Sisk on June 9, 1990.
- New York Mets signed free agent Alex Trevino on August 3, 1990.
- New York Mets released Barry Lyons on September 4, 1990.
- New York Mets signed free agent Guillermo Mota on September 7, 1990.
- Lou Thornton granted free agency on October 15, 1990.
- New York Mets released Chris Jelic on November 13, 1990.
- New York Mets released Keith Hughes on November 13, 1990.
- Jeff Musselman granted free agency on December 20, 1990.
- New York Mets signed free agent Rick Cerone on January 21, 1991.
- New York Mets signed free agent Edgardo Alfonzo on February 19, 1991.
- New York Mets selected Bill Pulsipher in second round of free agent draft on June 3, 1991.
- New York Mets selected Jason Isringhausen in 44th round of free agent draft on June 3, 1991.
- New York Mets selected Joe Crawford in 17th round of free agent draft on June 3, 1991.
- New York Mets selected Jason Jacome in 12th round of free agent draft on June 3, 1991.
- New York Mets released Tom Herr on August 5, 1991.
- Garry Templeton granted free agency on November 4, 1991.
- New York Mets released Kelvin Torve on December 13, 1991.
- New York Mets signed free agent Mike Birkbeck on January 2, 1992.
- New York Mets released Rich Sauveur on January 23, 1992.
- New York Mets selected Preston Wilson in first round (ninth pick overall) of free agent draft on June 1, 1992.
- New York Mets released Rodney McCray on June 8, 1992.
- New York Mets signed free agent Barry Jones on August 14, 1992.
- Willie Randolph granted free agency on October 30, 1992.
- New York Mets signed free agent Carlos Mendoza on November 10, 1992.
- New York Mets signed free agent Roger Mason on December 2, 1992.
- New York Mets signed free agent Joe Orsulak on December 18, 1992.
- New York Mets signed free agent Tom Filer on December 22, 1992.
- New York Mets signed free agent Mauro Gozzo on December 22, 1992.
- New York Mets signed free agent Steve Springer on December 22, 1992.
- New York Mets signed free agent Wayne Housie on December 22, 1992.
- New York Mets signed free agent Mickey Weston on January 4, 1993.
- New York Mets signed free agent Octavio Dotel on March 20, 1993.
- New York Mets signed free agent Ced Landrum on May 14, 1993.
- New York Mets selected Benny Agbayani in 30th round of free agent draft on June 3, 1993.
- New York Mets selected Vance Wilson in 44th round of free agent draft on June 3, 1993.
- New York Mets signed free agent Eric Gunderson on June 10, 1993.
- New York Mets released Paul Gibson on June 11, 1993.
- New York Mets released Darren Reed on September 9, 1993.
- New York Mets released Mike Draper on September 29, 1993.
- New York Mets released Chico Walker on October 4, 1993.
- New York Mets released Ced Landrum on October 4, 1993.
- Jeff Kaiser granted free agency on October 15, 1993.
- Mickey Weston granted free agency on October 15, 1993.
- New York Mets signed free agent John Cangelosi on November 17, 1993.
- New York Mets signed free agent Mike Remlinger on November 22, 1993.
- New York Mets signed free agent Jim Lindeman on December 16, 1993.
- New York Mets signed free agent Rick Parker on December 16, 1993.
- New York Mets signed free agent Doug Linton on December 16, 1993.
- New York Mets signed free agent Jonathan Hurst on December 16, 1993.
- New York Mets signed free agent Rey Ordonez on February 8, 1994.
- New York Mets signed free agent Eric Gunderson on May 5, 1994.
- New York Mets selected Paul Wilson in first round (first pick overall) of free agent draft on June 2, 1994.
- New York Mets selected Terrence Long in first round (20th pick overall) of free agent draft on June 2, 1994.
- New York Mets released John Cangelosi on July 8, 1994.
- Eric Hillman granted free agency on October 15, 1994.
- Mauro Gozzo granted free agency on October 15, 1994.
- Jeff McKnight granted free agency on October 15, 1994.
- Jonathan Hurst granted free agency on October 15, 1994.
- Doug Linton granted free agency on October 15, 1994.
- Kevin McReynolds granted free agency on October 25, 1994.
- New York Mets signed free agent Brett Butler on April 11, 1995.
- New York Mets selected Dan Murray in 10th round of free agent draft on June 1, 1995.
- New York Mets selected Grant Roberts in 11th round of free agent draft on June 1, 1995.
- New York Mets selected Nelson Figueroa in 30th round of free agent draft on June 1, 1995.
- New York Mets released Mike Birkbeck on June 13, 1995.
- New York Mets signed free agent Alex Escobar on July 1, 1995.
- Josias Manzanillo granted free agency on October 16, 1995.
- Don Florence granted free agency on October 16, 1995.
- New York Mets signed free agent Rick Reed on November 7, 1995.
- New York Mets signed free agent Bob MacDonald on January 13, 1996.
- New York Mets signed free agent Endy Chavez on April 29, 1996.
- New York Mets selected Dicky Gonzalez in 16th round of free agent draft on June 4, 1996.
- New York Mets released Bob MacDonald on October 15, 1996.
- New York Mets released Doug Henry on November 25, 1996.
- New York Mets signed free agent Brian Bohanon on December 18, 1996.
- New York Mets signed free agent Todd Pratt on December 23, 1996.
- New York Mets signed free agent Howard Johnson on February 10, 1997.
- New York Mets released Alvaro Espinoza on March 26, 1997.
- Howard Johnson announced his retirement on March 26, 1997.
- New York Mets released Gary Thurman on June 2, 1997.
- New York Mets selected Eric Cammack in 13th round of free agent draft on June 3, 1997.
- New York Mets selected Tyler Walker in second round of free agent draft on June 3, 1997.
- New York Mets selected Jason Phillips in 24th round of free agent draft on June 3, 1997.
- New York Mets selected Jason Roach in 20th round of free agent draft on June 3, 1997.
- New York Mets released Takashi Kashiwada on October 10, 1997.
- New York Mets signed free agent Jae Weong Seo on December 17, 1997.
- New York Mets signed free agent Jim Tatum on December 26, 1997.
- New York Mets released Joe Crawford on January 8, 1998.
- New York Mets signed free agent Masato Yoshii on January 13, 1998.
- New York Mets signed free agent Joe Orsulak on February 21, 1998.
- New York Mets released Joe Orsulak on March 29, 1998.
- New York Mets selected Jason Tyner in first round (21st pick overall) of free agent draft on June 2, 1998.
- New York Mets selected Ty Wigginton in 17th round of free agent draft on June 2, 1998.
- New York Mets selected Pat Strange in second round of free agent draft on June 2, 1998.
- New York Mets selected Jaime Cerda in 23rd round of free agent draft on June 2, 1998.
- New York Mets selected Craig Brazell in fifth round of free agent draft on June 2, 1998.
- New York Mets signed free agent Heath Bell on June 16, 1998.
- New York Mets signed free agent Jerrod Riggan on July 9, 1998.
- New York Mets signed free agent Melvin Mora on July 24, 1998.
- New York Mets signed free agent Jorge Toca on September 7, 1998.
- New York Mets released Wayne Kirby on September 16, 1998.
- Carlos Baerga granted free agency on October 26, 1998.
- New York Mets signed free agent Rickey Henderson on December 16, 1998.
- New York Mets signed free agent Pat Mahomes on December 21, 1998.
- New York Mets signed free agent Orel Hershiser on March 25, 1999.
- New York Mets released Hideo Nomo on March 26, 1999.
- New York Mets selected Jeremy Griffiths in third round of free agent draft on June 2, 1999.
- New York Mets selected Mike Jacobs in 38th round of free agent draft on June 2, 1999.
- New York Mets selected Prentice Redman in 10th round of free agent draft on June 2, 1999.
- New York Mets selected Angel Pagan in fourth round of free agent draft on June 2, 1999.
- New York Mets signed free agent Jose Reyes on August 16, 1999.
- New York Mets signed free agent Carlos Mendoza on December 15, 1999.
- New York Mets released Bobby Bonilla on January 3, 2000.
- New York Mets signed free agent Rich Rodriguez on February 8, 2000.
- New York Mets signed free agent Mark Johnson on February 22, 2000.
- New York Mets signed free agent Timo Perez on March 17, 2000.
- New York Mets released Rickey Henderson on May 13, 2000.
- New York Mets selected Jeff Duncan in seventh round of free agent draft on June 5, 2000.
- New York Mets released Jon Nunnally on June 8, 2000.
- New York Mets signed free agent Brett Hinchliffe on December 5, 2000.
- New York Mets signed free agent Tsuyoshi Shinjo on December 11, 2000.
- Matt Franco granted free agency on December 21, 2000.
- New York Mets signed free agent Pete Walker on December 26, 2000.
- New York Mets signed free agent Darren Bragg on January 9, 2001.
- New York Mets signed free agent Joe DePastino on January 11, 2001.
- New York Mets released Joe DePastino on March 2, 2001.
- New York Mets signed free agent Tony Tarasco on March 6, 2001.
- New York Mets released Rich Rodriguez on March 29, 2001.
- New York Mets signed free agent Doug Linton on May 9, 2001.
- New York Mets selected David Wright in first round (38th pick overall) of free agent draft on June 5, 2001.
- New York Mets selected Joe Hietpas in 16th round of free agent draft on June 5, 2001.
- New York Mets selected Aaron Heilman in first round (18th pick overall) of free agent draft on June 5, 2001.
- New York Mets selected Daniel Garcia in fifth round of free agent draft on June 5, 2001.
- New York Mets released Darryl Hamilton on July 9, 2001.
- Donne Wall granted free agency on October 15, 2001.
- Brett Hinchliffe granted free agency on October 15, 2001.
- New York Mets signed free agent Satoru Komiyama on December 3, 2001.
- New York Mets signed free agent Joe DePastino on January 9, 2002.
- New York Mets signed free agent John Valentin on January 30, 2002.
- New York Mets signed free agent Carlos Gomez on July 27, 2002.
- New York Mets released Satoru Komiyama on October 8, 2002.
- McKay Christensen granted free agency on October 15, 2002.
- Kane Davis granted free agency on October 15, 2002.
- New York Mets signed free agent Graeme Lloyd on January 24, 2003.
- New York Mets signed free agent Mike Glavine on February 4, 2003.
- New York Mets signed free agent Jay Bell on February 11, 2003.
- New York Mets signed free agent David Cone on February 13, 2003.
- New York Mets signed free agent Tony Clark on February 20, 2003.
- New York Mets signed free agent Orber Moreno on March 6, 2003.
- New York Mets signed free agent Pedro Feliciano on April 3, 2003.
- David Cone announced his retirement on May 30, 2003.
- New York Mets released Eric Cammack on May 30, 2003.
- New York Mets selected Lastings Milledge in first round (12th pick overall) of free agent draft on June 3, 2003.
- New York Mets selected Brian Bannister in seventh round of free agent draft on June 3, 2003.
- New York Mets selected Carlos Muniz in 13th round of free agent draft on June 3, 2003.
- Pedro Astacio granted free agency on October 29, 2003.
- New York Mets signed free agent Kazuo Matsui on December 10, 2003.
- New York Mets signed free agent Jose Parra on January 20, 2004.
- New York Mets signed free agent Shane Spencer on January 29, 2004.
- New York Mets signed free agent Scott Erickson on February 5, 2004.
- New York Mets signed free agent Ricky Bottalico on February 11, 2004.
- New York Mets signed free agent James Baldwin on February 12, 2004.
- New York Mets signed free agent Gerald Williams on April 23, 2004.
- New York Mets signed free agent Tom Wilson on May 12, 2004.
- New York Mets released Raul Gonzalez on May 17, 2004.
- New York Mets released Ricky Gutierrez on May 25, 2004.
- New York Mets selected Philip Humber in first round (third pick overall) of free agent draft on June 7, 2004.
- New York Mets selected Nick Evans in fifth round of free agent draft on June 7, 2004.
- New York Mets signed free agent Vic Darensbourg on July 15, 2004.
- New York Mets released Shane Spencer on August 7, 2004.
- New York Mets signed free agent Brian Buchanan on August 25, 2004.
- New York Mets signed free agent Alay Soler on September 1, 2004.
- New York Mets signed free agent Elvin Ramirez on September 16, 2004.
- Mike Glavine granted free agency on October 15, 2004.
- Todd Zeile granted free agency on November 1, 2004.
- Mo Vaughn granted free agency on November 2, 2004.
- New York Mets released Jose Parra on November 8, 2004.
- New York Mets signed free agent Juan Padilla on December 23, 2004.
- New York Mets signed free agent Tim Hamulack on December 28, 2004.
- New York Mets signed free agent Manny Aybar on December 28, 2004.
- New York Mets signed free agent Marlon Anderson on January 7, 2005.
- New York Mets signed free agent Dae-Sung Koo on January 8, 2005.
- New York Mets signed free agent Roberto Hernandez on January 18, 2005.
- New York Mets signed free agent Mike Matthews on January 28, 2005.
- New York Mets signed free agent Jose Santiago on March 1, 2005.
- New York Mets signed free agent Brian Daubach on March 8, 2005.
- New York Mets released Daniel Garcia on March 16, 2005.
- New York Mets released Joe McEwing on March 17, 2005.
- New York Mets signed free agent Kelly Stinnett on March 29, 2005.
- New York Mets signed free agent Mike DiFelice on March 31, 2005.
- New York Mets released Kelly Stinnett on April 1, 2005.
- New York Mets released Grant Roberts on April 14, 2005.
- New York Mets released Mike Matthews on April 26, 2005.
- New York Mets released Scott Strickland on May 22, 2005.
- New York Mets released Mike DiFelice on June 2, 2005.
- New York Mets selected Mike Pelfrey in first round (ninth pick overall) of free agent draft on June 7, 2005.
- New York Mets selected Bobby Parnell in ninth round of free agent draft on June 7, 2005.
- New York Mets selected Jon Niese in seventh round of free agent draft on June 7, 2005.
- New York Mets selected Josh Thole in 13th round of free agent draft on June 7, 2005.
- New York Mets signed free agent Jose Offerman on June 8, 2005.
- New York Mets signed free agent Danny Graves on June 11, 2005.
- New York Mets released Mike DeJean on June 20, 2005.
- New York Mets signed free agent Lino Urdaneta on June 29, 2005.
- New York Mets released Jeff Duncan on August 10, 2005.
- New York Mets signed free agent Shingo Takatsu on August 12, 2005.
- Manny Aybar granted free agency on October 5, 2005.
- Orber Moreno granted free agency on October 15, 2005.
- Gerald Williams granted free agency on October 28, 2005.
- Shingo Takatsu granted free agency on November 10, 2005.
- New York Mets released Kazuhisa Ishii on December 19, 2005.
- New York Mets signed free agent Darren Oliver on January 19, 2006.
- New York Mets signed free agent Jose Lima on February 14, 2006.
- New York Mets signed free agent Pedro Feliciano on February 28, 2006.
- New York Mets signed free agent Willie Collazo on March 1, 2006.
- New York Mets signed free agent Michael Tucker on April 26, 2006.
- New York Mets signed free agent Juan Lagares on May 5, 2006.
- New York Mets released Bartolome Fortunato on May 21, 2006.
- New York Mets signed free agent Mike DiFelice on May 30, 2006.
- New York Mets selected Joe Smith in third round of free agent draft on June 6, 2006.
- New York Mets selected Daniel Murphy in 13th round of free agent draft on June 6, 2006.
- New York Mets selected Tobi Stoner in 16th round of free agent draft on June 6, 2006.
- New York Mets selected Josh Stinson in 37th round of free agent draft on June 6, 2006.
- New York Mets signed free agent Ruben Tejada on July 11, 2006.
- New York Mets released Eli Marrero on August 15, 2006.
- New York Mets signed free agent Kelly Stinnett on August 24, 2006.
- Kelly Stinnett granted free agency on October 15, 2006.
- Jose Offerman granted free agency on October 15, 2006.
- Michael Tucker granted free agency on October 31, 2006.
- New York Mets signed free agent Raul Valdes on November 10, 2006.
- New York Mets signed free agent Robinson Cancel on January 30, 2007.
- New York Mets signed free agent Jesus Feliciano on February 1, 2007.
- New York Mets signed free agent Chan Ho Park on February 9, 2007.
- New York Mets signed free agent Sandy Alomar on February 19, 2007.
- New York Mets released Alay Soler on March 12, 2007.
- New York Mets signed free agent Fernando Tatis on March 23, 2007.
- New York Mets signed free agent Ricky Ledee on March 31, 2007.
- New York Mets signed free agent Jenrry Mejia on April 4, 2007.
- New York Mets signed free agent Brian Lawrence on May 9, 2007.
- New York Mets released Chan Ho Park on June 3, 2007.
- New York Mets signed free agent Jordany Valdespin on June 6, 2007.
- New York Mets selected Eddie Kunz in first round (42nd pick overall) of free agent draft on June 7, 2007.
- New York Mets selected Lucas Duda in seventh round of free agent draft on June 7, 2007.
- New York Mets selected Dillon Gee in 21st round of free agent draft on June 7, 2007.
- New York Mets selected Zach Lutz in fifth round of free agent draft on June 7, 2007.
- New York Mets selected Robert Carson in 14th round of free agent draft on June 7, 2007.
- New York Mets selected Juan Centeno in 32nd round of free agent draft on June 7, 2007.
- New York Mets signed free agent Jeurys Familia on July 13, 2007.
- New York Mets released Julio Franco on July 16, 2007.
- New York Mets signed free agent Wilmer Flores on August 6, 2007.
- New York Mets released Jon Adkins on October 1, 2007.
- Lino Urdaneta granted free agency on October 1, 2007.
- Ricky Ledee granted free agency on October 4, 2007.
- New York Mets signed free agent Gonzalez Germen on October 10, 2007.
- New York Mets signed free agent Wilfredo Tovar on October 12, 2007.
- Shawn Green granted free agency on October 29, 2007.
- New York Mets released Jesus Feliciano on October 29, 2007.
- Raul Valdes granted free agency on October 29, 2007.
- Sandy Alomar granted free agency on October 30, 2007.
- Aaron Sele granted free agency on October 30, 2007.
- David Williams granted free agency on November 5, 2007.
- New York Mets signed free agent Argenis Reyes on November 30, 2007.
- New York Mets signed free agent Jesus Feliciano on December 1, 2007.
- New York Mets signed free agent Raul Casanova on December 4, 2007.
- New York Mets signed free agent Rene Rivera on January 20, 2008.
- New York Mets signed free agent Ricardo Rincon on January 23, 2008.
- New York Mets signed free agent Nelson Figueroa on February 6, 2008.
- New York Mets signed free agent Chris Aguila on February 12, 2008.
- New York Mets signed free agent Brady Clark on February 15, 2008.
- New York Mets signed free agent Claudio Vargas on April 11, 2008.
- New York Mets signed free agent Val Pascucci on April 30, 2008.
- New York Mets released Ben Johnson on May 5, 2008.
- New York Mets signed free agent Abraham Nunez on May 19, 2008.
- New York Mets released Jorge Sosa on May 22, 2008.
- New York Mets signed free agent Brandon Knight on May 29, 2008.
- New York Mets selected Ike Davis in first round (18th pick overall) of free agent draft on June 5, 2008.
- New York Mets selected Chris Schwinden in 22nd round of free agent draft on June 5, 2008.
- New York Mets selected Josh Satin in sixth round of free agent draft on June 5, 2008.
- New York Mets selected Kirk Nieuwenhuis in third round of free agent draft on June 5, 2008.
- New York Mets selected Collin McHugh in 18th round of free agent draft on June 5, 2008.
- New York Mets selected Eric Campbell in eighth round of free agent draft on June 5, 2008.
- New York Mets signed free agent Andy Green on July 2, 2008.
- New York Mets released Juan Padilla on July 13, 2008.
- New York Mets signed free agent Ramon Martinez on August 2, 2008.
- New York Mets signed free agent Hansel Robles on August 21, 2008.
- Brady Clark granted free agency on September 29, 2008.
- Chris Aguila granted free agency on September 29, 2008.
- Raul Casanova granted free agency on September 30, 2008.
- Damion Easley granted free agency on October 30, 2008.
- Matt Wise granted free agency on October 30, 2008.
- Pedro Martinez granted free agency on October 31, 2008.
- Moises Alou granted free agency on October 31, 2008.
- Ricardo Rincon granted free agency on October 31, 2008.
- Orlando Hernandez granted free agency on November 1, 2008.
- Abraham Nunez granted free agency on November 3, 2008.
- Jose Santiago granted free agency on November 3, 2008.
- Ambiorix Burgos granted free agency on December 12, 2008.
- New York Mets signed free agent Tom Martin on January 20, 2009.
- New York Mets released Duaner Sanchez on March 10, 2009.
- New York Mets released Tom Martin on March 22, 2009.
- New York Mets signed free agent Ken Takahashi on March 30, 2009.
- New York Mets released Tony Armas on March 31, 2009.
- New York Mets released Marlon Anderson on April 13, 2009.
- New York Mets selected Steven Matz in second round of free agent draft on June 9, 2009.
- New York Mets selected Darrell Ceciliani in fourth round of free agent draft on June 9, 2009.
- New York Mets signed free agent Angel Berroa on July 11, 2009.
- New York Mets released Emil Brown on July 20, 2009.
- New York Mets released Brandon Knight on July 26, 2009.
- New York Mets released Livan Hernandez on August 20, 2009.
- New York Mets released Ken Takahashi on October 20, 2009.
- Carlos Delgado granted free agency on November 5, 2009.
- Gary Sheffield granted free agency on November 9, 2009.
- New York Mets released Jesus Feliciano on November 9, 2009.
- Robinson Cancel granted free agency on November 9, 2009.
- New York Mets signed free agent Gabriel Ynoa on November 19, 2009.
- New York Mets signed free agent Jesus Feliciano on November 30, 2009.
- New York Mets signed free agent Mike Hessman on December 3, 2009.
- New York Mets released Andy Green on December 9, 2009.
- New York Mets signed free agent Ryota Igarashi on December 16, 2009.
- New York Mets signed free agent Andy Green on December 18, 2009.
- New York Mets signed free agent Val Pascucci on January 28, 2010.
- New York Mets signed free agent Hisanori Takahashi on February 11, 2010.
- New York Mets signed free agent Mike Jacobs on February 11, 2010.
- New York Mets signed free agent Mike O'Connor on March 11, 2010.
- New York Mets signed free agent Raul Valdes on March 27, 2010.
- New York Mets released Frank Catalanotto on May 17, 2010.
- New York Mets selected Josh Edgin in 30th round of free agent draft on June 7, 2010.
- New York Mets selected Matt Harvey in first round (seventh pick overall) of free agent draft on June 7, 2010.
- New York Mets selected Matt den Dekker in fifth round of free agent draft on June 8, 2010.
- New York Mets selected Akeel Morris in 10th round of free agent draft on June 8, 2010.
- New York Mets selected Jacob deGrom in ninth round of free agent draft on June 8, 2010.
- New York Mets selected Erik Goeddel in 24th round of free agent draft on June 8, 2010.
- New York Mets released Gary Matthews on June 15, 2010.
- New York Mets released Alex Cora on August 7, 2010.
- Fernando Tatis granted free agency on November 1, 2010.
- Mike Hessman granted free agency on November 5, 2010.
- New York Mets released Andy Green on November 5, 2010.
- Carlos Muniz granted free agency on November 6, 2010.
- New York Mets signed free agent Rafael Montero on January 20, 2011.
- New York Mets signed free agent Justin Hampson on February 8, 2011.
- New York Mets signed free agent Jason Isringhausen on February 15, 2011.
- New York Mets released Luis Castillo on March 18, 2011.
- New York Mets released Oliver Perez on March 21, 2011.
- Blaine Boyer granted free agency on April 13, 2011.
- New York Mets selected Brandon Nimmo in first round (13th pick overall) of free agent draft on June 6, 2011.
- New York Mets selected Logan Verrett in third round of free agent draft on June 7, 2011.
- New York Mets selected Jack Leathersich in fifth round of free agent draft on June 7, 2011.
- New York Mets selected Danny Muno in eighth round of free agent draft on June 7, 2011.
- New York Mets selected Robert Gsellman in 13th round of free agent draft on June 7, 2011.
- New York Mets selected Travis Taijeron in 18th round of free agent draft on June 7, 2011.
- New York Mets selected Tyler Pill in fourth round of free agent draft on June 7, 2011.
- New York Mets selected Phillip Evans in 15th round of free agent draft on June 7, 2011.
- New York Mets selected Seth Lugo in 34th round of free agent draft on June 8, 2011.
- New York Mets selected Chasen Bradford in 35th round of free agent draft on June 8, 2011.
- New York Mets signed free agent T.J. Rivera on June 12, 2011.
- New York Mets signed free agent Miguel Batista on July 4, 2011.
- New York Mets released Ryota Igarashi on October 21, 2011.
- Taylor Buchholz granted free agency on November 15, 2011.
- New York Mets released Tobi Stoner on March 26, 2012.
- New York Mets signed free agent Fred Lewis on April 25, 2012.
- New York Mets signed free agent Brad Emaus on April 25, 2012.
- New York Mets released D.J. Carrasco on May 25, 2012.
- New York Mets selected Kevin Plawecki in first round (35th pick overall) of free agent draft on June 4, 2012.
- New York Mets selected Gavin Cecchini in first round (12th pick overall) of free agent draft on June 4, 2012.
- New York Mets selected Corey Oswalt in seventh round of free agent draft on June 4, 2012.
- New York Mets selected Tim Peterson in 20th round of free agent draft on June 4, 2012.
- New York Mets selected Matt Reynolds in second round of free agent draft on June 5, 2012.
- New York Mets selected Paul Sewald in 10th round of free agent draft on June 5, 2012.
- New York Mets selected Tomas Nido in eighth round of free agent draft on June 5, 2012.
- New York Mets selected Chris Flexen in 14th round of free agent draft on June 5, 2012.
- New York Mets signed free agent Amed Rosario on July 2, 2012.
- New York Mets released Miguel Batista on July 26, 2012.
- Jack Egbert granted free agency on October 4, 2012.
- Fred Lewis granted free agency on October 19, 2012.
- Brad Emaus granted free agency on November 3, 2012.
- Val Pascucci granted free agency on November 3, 2012.
- New York Mets released Jason Bay on November 7, 2012.
- New York Mets signed free agent Greg Burke on November 7, 2012.
- New York Mets signed free agent Scott Rice on November 16, 2012.
- Manny Acosta granted free agency on November 30, 2012.
- New York Mets signed free agent Dario Alvarez on January 13, 2013.
- New York Mets signed free agent Marlon Byrd on February 1, 2013.
- New York Mets released Danny Herrera on March 30, 2013.
- New York Mets signed free agent Sean Henn on April 10, 2013.
- New York Mets signed free agent Rick Ankiel on May 13, 2013.
- New York Mets signed free agent David Aardsma on May 20, 2013.
- New York Mets selected Dominic Smith in first round (11th pick overall) of free agent draft on June 6, 2013.
- New York Mets selected Kevin McGowan in 13th round of free agent draft on June 8, 2013.
- New York Mets selected Jeff McNeil in 12th round of free agent draft on June 8, 2013.
- New York Mets selected Luis Guillorme in 10th round of free agent draft on June 8, 2013.
- New York Mets selected Tyler Bashlor in 11th round of free agent draft on June 8, 2013.
- Rick Ankiel granted free agency on June 11, 2013.
- New York Mets signed free agent Ali Sanchez on July 2, 2013.
- New York Mets released Brandon Lyon on July 9, 2013.
- New York Mets released Shaun Marcum on July 23, 2013.
- New York Mets signed free agent Daisuke Matsuzaka on August 22, 2013.
- New York Mets signed free agent Aaron Harang on September 1, 2013.
- Sean Henn granted free agency on October 23, 2013.
- Frank Francisco granted free agency on October 31, 2013.
- Tim Byrdak granted free agency on October 31, 2013.
- Justin Hampson granted free agency on November 5, 2013.
- New York Mets signed free agent Kyle Farnsworth on February 3, 2014.
- New York Mets signed free agent Dana Eveland on February 17, 2014.
- New York Mets signed free agent Buddy Carlyle on February 18, 2014.
- New York Mets released Chris Schwinden on March 24, 2014.
- New York Mets signed free agent Bobby Abreu on March 31, 2014.
- New York Mets selected Michael Conforto in first round (10th pick overall) of free agent draft on June 5, 2014.
- Daisuke Matsuzaka granted free agency on October 30, 2014.
- Bobby Abreu granted free agency on October 30, 2014.
- Jeremy Hefner granted free agency on November 4, 2014.
- New York Mets signed free agent Johnny Monell on November 6, 2014.
- New York Mets signed free agent Josh Smoker on April 2, 2015.
- New York Mets selected Kevin Kaczmarski in ninth round of free agent draft on June 9, 2015.
- New York Mets selected Patrick Mazeika in eighth round of free agent draft on June 9, 2015.
- New York Mets selected Thomas Szapucki in fifth round of free agent draft on June 9, 2015.
- New York Mets signed free agent Andres Gimenez on July 2, 2015.
- New York Mets released John Mayberry on July 30, 2015.
- New York Mets signed free agent Tim Stauffer on August 1, 2015.
- Vic Black granted free agency on November 6, 2015.
- New York Mets signed free agent Ty Kelly on November 19, 2015.
- New York Mets signed free agent Jim Henderson on December 3, 2015.
- Michael Cuddyer announced his retirement on December 12, 2015.
- New York Mets released Ruben Tejada on March 16, 2016.
- New York Mets released Buddy Carlyle on March 25, 2016.
- New York Mets signed free agent Rene Rivera on April 5, 2016.
- New York Mets selected Pete Alonso in second round of free agent draft on June 9, 2016.
- New York Mets selected Colin Holderman in ninth round of free agent draft on June 10, 2016.
- New York Mets signed free agent Jose Reyes on June 25, 2016.
- New York Mets released Danny Muno on June 28, 2016.
- Johnny Monell granted free agency on October 10, 2016.
- Kelly Johnson granted free agency on November 3, 2016.
- New York Mets signed free agent Adam Wilk on January 16, 2017.
- New York Mets signed free agent Neil Ramirez on May 16, 2017.
- New York Mets selected David Peterson in first round (20th pick overall) of free agent draft on June 14, 2017.
- Neil Ramirez granted free agency on July 23, 2017.
- New York Mets released Fernando Salas on August 15, 2017.
- New York Mets signed free agent Nori Aoki on September 2, 2017.
- New York Mets released Nori Aoki on October 30, 2017.
- Tyler Pill granted free agency on November 6, 2017.
- New York Mets signed free agent Drew Gagnon on December 22, 2017.
- New York Mets signed free agent Adrian Gonzalez on January 18, 2018.
- New York Mets signed free agent Scott Copeland on April 17, 2018.
- New York Mets selected Tylor Megill in eighth round of free agent draft on June 5, 2018.
- New York Mets released Adrian Gonzalez on June 11, 2018.
- New York Mets signed free agent Austin Jackson on July 27, 2018.
- Jose Reyes granted free agency on October 29, 2018.
- Austin Jackson granted free agency on October 29, 2018.
- Buddy Baumann granted free agency on November 2, 2018.
- New York Mets released Jenrry Mejia on November 20, 2018.
- New York Mets released David Wright on January 7, 2019.
- New York Mets released T.J. Rivera on March 9, 2019.
- New York Mets signed free agent Rene Rivera on March 27, 2019.
- New York Mets released Travis d'Arnaud on May 3, 2019.
- Carlos Gomez granted free agency on July 3, 2019.
- New York Mets released Ryan O'Rourke on August 8, 2019.
- New York Mets signed free agent Brad Brach on August 8, 2019.
- New York Mets signed free agent Joe Panik on August 9, 2019.
- New York Mets released Adeiny Hechavarria on August 14, 2019.
- Aaron Altherr granted free agency on September 30, 2019.
- Tim Peterson granted free agency on September 30, 2019.
- Rajai Davis granted free agency on October 31, 2019.
- New York Mets released Drew Gagnon on November 22, 2019.
- New York Mets released Chris Flexen on December 11, 2019.
- New York Mets signed free agent Johneshwy Fargas on January 9, 2020.
- New York Mets signed free agent Eduardo Nunez on January 25, 2020.
- New York Mets signed free agent Hunter Strickland on June 29, 2020.
- New York Mets signed free agent Jared Hughes on June 30, 2020.
- New York Mets signed free agent Brian Dozier on July 22, 2020.
- New York Mets released Brian Dozier on August 23, 2020.
- Jared Hughes granted free agency on October 28, 2020.
- Yoenis Cespedes granted free agency on October 28, 2020.
- Rick Porcello granted free agency on October 28, 2020.
- New York Mets signed free agent Trevor Hildenberger on November 30, 2020.
- Ariel Jurado granted free agency on December 2, 2020.
- New York Mets released Brad Brach on February 16, 2021.
- New York Mets signed free agent Akeem Bostick on May 18, 2021.
- New York Mets released Stephen Tarpley on July 16, 2021.
- Corey Oswalt granted free agency on October 29, 2021.
- Robert Stock granted free agency on October 29, 2021.
- Michael Conforto granted free agency on November 3, 2021.
- Akeem Bostick granted free agency on November 7, 2021.
- New York Mets signed free agent Nick Plummer on November 24, 2021.
- New York Mets signed free agent Rob Zastryzny on November 29, 2021.
- New York Mets signed free agent Alex Claudio on January 8, 2022.
- New York Mets released Robinson Cano on May 8, 2022.
- New York Mets signed free agent Terrance Gore on June 7, 2022.
- New York Mets released Yoan Lopez on December 21, 2022.
- New York Mets released Darin Ruf on April 2, 2023.
- New York Mets released Tommy Hunter on June 13, 2023.
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