2019 Transactions
January 4, 2019
Texas Rangers signed Rafael Montero of the New York Mets as a free agent.
January 5, 2019
New York Mets traded Bobby Wahl, Adam Hill and Felix Valerio to the Milwaukee Brewers for Keon Broxton.
January 6, 2019
New York Mets traded Scott Manea, Luis Santana and Ross Adolph to the Houston Astros for J.D. Davis and Cody Bohanek.
New York Mets traded Kevin Plawecki to the Cleveland Indians for Walker Lockett and Sam Haggerty.
January 7, 2019
New York Mets released David Wright.
January 10, 2019
New York Mets signed free agent Luis Avilan of the Philadelphia Phillies.
January 11, 2019
New York Mets signed free agent Hector Santiago of the Chicago White Sox.
January 16, 2019
New York Mets signed free agent Jed Lowrie of the Oakland Athletics.
January 21, 2019
Arizona Diamondbacks signed Wilmer Flores of the New York Mets as a free agent.
January 24, 2019
San Francisco Giants signed Jamie Callahan of the New York Mets as a free agent.
Seattle Mariners signed Jose Lobaton of the New York Mets as a free agent.
January 28, 2019
New York Mets signed free agent Justin Wilson of the Chicago Cubs.
February 5, 2019
Oakland Athletics signed Jerry Blevins of the New York Mets as a free agent.
February 18, 2019
New York Mets signed free agent Adeiny Hechavarria of the New York Yankees.
March 7, 2019
New York Mets signed free agent Carlos Gomez of the Tampa Bay Rays.
March 9, 2019
New York Mets released T.J. Rivera.
March 23, 2019
New York Mets signed free agent Ruben Tejada of the Baltimore Orioles.
March 27, 2019
New York Mets signed free agent Rene Rivera.
May 3, 2019
New York Mets released Travis d'Arnaud.
May 6, 2019
New York Mets traded Neraldo Catalina to the Tampa Bay Rays for Wilmer Font.
May 22, 2019
New York Mets sold Keon Broxton to the Baltimore Orioles.
May 23, 2019
New York Mets claimed Aaron Altherr on waivers from the San Francisco Giants.
June 15, 2019
New York Mets purchased Brooks Pounders from the Cleveland Indians.
June 20, 2019
Chicago White Sox signed Hector Santiago of the New York Mets as a free agent.
July 3, 2019
Carlos Gomez granted free agency.
July 19, 2019
New York Mets sold Wilmer Font to the Toronto Blue Jays.
July 28, 2019
New York Mets traded Anthony Kay and Simeon Woods-Richardson to the Toronto Blue Jays for Marcus Stroman.
July 29, 2019
New York Mets traded Jason Vargas to the Philadelphia Phillies for Austin Bossart.
August 3, 2019
New York Mets claimed Donnie Hart on waivers from the Milwaukee Brewers.
August 8, 2019
New York Mets released Ryan O'Rourke.
New York Mets signed free agent Brad Brach.
August 9, 2019
New York Mets signed free agent Joe Panik.
August 14, 2019
New York Mets released Adeiny Hechavarria.
September 16, 2019
Baltimore Orioles claimed Eric Hanhold of the New York Mets on waivers.
September 30, 2019
Aaron Altherr granted free agency.
Tim Peterson granted free agency.
October 31, 2019
Rajai Davis granted free agency.
November 22, 2019
New York Mets released Drew Gagnon.
December 3, 2019
New York Mets signed free agent Chasen Shreve of the St. Louis Cardinals.
December 5, 2019
New York Mets traded Blake Taylor and Kenedy Corona to the Houston Astros for Jake Marisnick.
December 9, 2019
Philadelphia Phillies signed Zack Wheeler of the New York Mets as a free agent.
December 11, 2019
New York Mets released Chris Flexen.
December 13, 2019
New York Mets signed free agent Michael Wacha of the St. Louis Cardinals.
December 16, 2019
New York Mets signed free agent Rick Porcello of the Boston Red Sox.
December 20, 2019
Boston Red Sox claimed Chris Mazza of the New York Mets on waivers.
December 24, 2019
New York Mets signed free agent Dellin Betances of the New York Yankees.
| 
