The New York Mets acquired infielder Javier Baez, pitcher Trevor Williams and cash from the Chicago Cubs for outfielder Pete Crow-Armstrong.

The New York Mets acquired outfielder Mark Payton from the Cincinnati Reds for cash.

The New York Mets acquired pitcher Rich Hill from the Tampa Bay Rays for pitcher Tommy Hunter and catcher Matt Dyer.

The Los Angeles Dodgers acquired outfielder/first baseman Billy McKinney from the New York Mets for outfielder Carlos Rincon and cash considerations.

The New York Mets acquired pitcher Anthony Banda from the San Francisco Giants for infielder Will Toffey.

The Toronto Blue Jays acquired pitcher Jacob Barnes from the New York Mets for pitcher Troy Miller.

The San Francisco Giants acquired catcher Bruce Maxwell from the New York Mets for cash.

The New York Mets acquired outfielder/first baseman Billy McKinney from the Milwaukee Brewers for pitcher Pedro Quintana.

The New York Mets acquired outfielder Cameron Maybin from the Chicago Cubs for cash.

The St. Louis Cardinals acquired catcher Ali Sanchez from the New York Mets for cash.

In a three-team trade, the Kansas City Royals acquired outfielder Andrew Benintendi and cash from the Boston Red Sox; Boston acquired outfielder Franchy Cordero and two players to be named later (Luis De La Rosa and Grant Gambrell - 06/04/2021) from the Royals, and pitcher Josh Winckowski and a player to be named later (Freddy Valdez - 06/04/2021) from the New York Mets; and New York acquired outfielder Khalil Lee from the Royals.

The New York Mets acquired pitcher Jordan Yamamoto from the Miami Marlins for infielder Federico Polanco.

The Toronto Blue Jays acquired pitcher Steven Matz from the New York Mets for pitchers Sean Reid-Foley, Yennsy Diaz and Josh Winckowski.

In a three-team trade, the San Diego Padres acquired pitcher Joe Musgrove from the Pittsburgh Pirates; the New York Mets acquired pitcher Joey Lucchesi from the Padres; and Pittsburgh acquired outfielder Hudson Head and pitchers Omar Cruz, David Bednar and Drake Fellows from the Padres, and catcher Endy Rodriguez from the Mets.

The New York Mets acquired shortstop Francisco Lindor and pitcher Carlos Carrasco from the Cleveland Indians for infielders Andres Gimenez and Amed Rosario, pitcher Josh Wolf and outfielder Isaiah Greene.

The Pittsburgh Pirates acquired pitcher Luis Oviedo from the New York Mets for a player to be named later or cash considerations.

The New York Mets acquired pitcher Miguel Castro from the Baltimore Orioles for pitcher Kevin Smith and a player to be named later (Victor Gonzalez - 09/20/2020).

The New York Mets acquired infielder Todd Frazier from the Texas Rangers for a player to be named later (Ryan Ryder - 12/18/20).

The New York Mets acquired catcher Robinson Chirinos and cash considerations from the Texas Rangers for a player to be named later.

The New York Mets acquired pitcher Ariel Jurado from the Texas Rangers for a player to be named later (Stephen Villines - 09/20/20) and cash.

The Pittsburgh Pirates acquired pitcher Tyler Bashlor from the New York Mets for cash.

The New York Mets acquired outfielder Billy Hamilton from the San Francisco Giants for pitcher Jordan Humphreys

The New York Mets acquired outfielder Jake Marisnick from the Houston Astros for outfielder Kenedy Corona and pitcher Blake Taylor.

The Philadelphia Phillies acquired pitcher Jason Vargas from the New York Mets for catcher Austin Bossart.

The New York Mets acquired pitcher Marcus Stroman and cash from the Toronto Blue Jays for pitchers Simeon Woods-Richardson and Anthony Kay.

The Toronto Blue Jays acquired pitcher Wilmer Font from the New York Mets for cash.

The New York Mets acquired pitcher Brooks Pounders from the Cleveland Indians for cash.

The Baltimore Orioles acquired outfielder Keon Broxton from the New York Mets for international bonus pool money in 2018-19.

The New Yok Mets acquired pitcher Wilmer Font from the Tampa Bay Rays for cash or a player to be named later.

The Cleveland Indians acquired catcher Kevin Plawecki from the New York Mets for pitcher Walker Lockett and infielder Sam Haggerty.

The New York Mets acquired infielder/outfielder J.D. Davis and infielder Cody Bohanek from the Houston Astros for outfielder Ross Adolph, infielder Luis Santana and catcher Scott Manea.

The New York Mets acquired outfielder Keon Broxton from the Milwaukee Brewers for pitchers Bobby Wahl and Adam Hill, plus infielder Felix Valerio.

The New York Mets acquired pitcher Edwin Diaz, infielder Robinson Cano and cash from the Seattle Mariners for outfielder/first baseman Jay Bruce, pitchers Anthony Swarzak, Justin Dunn and Gerson Bautista, and outfielder Jarred Kelenic.

The Arizona Diamondbacks acquired outfielder/infielder Patrick Kivlehan from the New York Mets for cash.

The Philadelphia Phillies acquired outfielder/infielder Jose Bautista from the New York Mets for a player to be named later or cash considerations.

The Detroit Tigers acquired pitcher Eric Villanueva from the New York Mets for cash.

The Philadelphia Phillies acquired infielder Asdrubal Cabrera from the New York Mets for pitcher Franklyn Kilome.

The Oakland Athletics acquired pitcher Jeurys Familia from the New York Mets for pitcher Bobby Wahl, infielder Will Toffey and international bonus pool money om 2018-19.

The Cincinnati Reds acquired pitcher Matt Harvey from the New York Mets for catcher Devin Mesoraco and cash.

The New York Yankees acquired infielder L.J. Mazzilli from the New York Mets for outfielder Kendall Coleman.

The Pittsburgh Pirates acquired pitcher Josh Smoker from the New York Mets for pitcher Daniel Zamora.

The Kansas City Royals acquired pitcher Burch Smith from the New York Mets for a player to be named later or cash considerations.

The Los Angeles Dodgers acquired outfielder Curtis Granderson and cash from the New York Mets for a player to be named later.

The New York Mets acquired outfielder Travis Snider from the Texas Rangers for cash.

The Milwaukee Brewers acquired infielder Neil Walker and cash from the New York Mets for a player to be named later.

The Cleveland Indians acquired outfielder Jay Bruce from the New York Mets for pitcher Ryder Ryan.

The Boston Red Sox acquired pitcher Addison Reed from the New York Mets for pitchers Jamie Callahan, Gerson Bautista and Steve Nogosek.

The New York Mets acquired pitcher A.J. Ramos from the Miami Marlins for pitcher Merandy Gonzalez and outfielder Ricardo Cespedes.

The Tampa Bay Rays acquired DH/first baseman Lucas Duda from the New York Mets for pitcher Drew Smith.

The Baltimore Orioles acquired pitcher Gabriel Ynoa from the New York Mets for cash.

The Baltimore Orioles acquired pitcher Logan Verrett from the New York Mets for cash.

The New York Mets acquired pitcher Fernando Salas from the Los Angeles Angels for pitcher Erik Manoah.

The New York Mets acquired pitcher Jonathon Niese from the Pittsburgh Pirates for pitcher Antonio Bastardo and cash.

The New York Mets acquired outfielder Jay Bruce from the Cincinnati Reds for infielder Dilson Herrera and pitcher Max Wotell.

The New York Mets acquired infielder/outfielder Kelly Johnson and cash from the Atlanta Braves for pitcher Akeel Morris.

The New York Mets acquired first baseman James Loney from the San Diego Padres for cash.

The Toronto Blue Jays acquired outfielder Darrell Ceciliani from the New York Mets for a player to be named later or cash considerations.

The New York Mets acquired second baseman Neil Walker from the Pittsburgh Pirates for pitcher Jon Niese.

The New York Mets acquired pitcher Addison Reed from the Arizona Diamondbacks for pitchers Miller Diaz and Matt Koch.

The New York Mets acquired outfielder Eric Young Jr. from the Atlanta Braves for cash.

The New York Mets acquired pitcher Eric O'Flaherty and cash from the Oakland Athletics for a player to be named later.

The New York Mets acquired outfielder Yoenis Cespedes from the Detroit Tigers for pitchers Michael Fulmer and Luis Cessa.

The New York Mets acquired pitcher Tyler Clippard and cash from the Oakland Athletics for pitcher Casey Meisner.

The New York Mets acquired infielder Juan Uribe and infielder/outfielder Kelly Johnson from the Atlanta Braves for pitchers John Gant and Robert Whalen.

The Los Angeles Angels of Anaheim acquired outfielder Kirk Nieuwenhuis from the New York Mets for cash.

The Washington Nationals acquired outfielder Matt den Dekker from the New York Mets for pitcher Jerry Blevins.

The New York Mets acquired pitcher Alex Torres from the San Diego Padres for pitcher Cory Mazzoni and a player to be named later.

The New York Yankees acquired pitcher Gonzalez Germen from the New York Mets for cash.