The 2021 New York Mets season was the franchise's 60th season, their 13th season at Citi Field, and their first season under new majority owner Steve Cohen.
The Mets began the 2021 season 35–25 and held first place in the National League East at the All-Star break. The Mets stumbled along the way, losing first place in early August to the Atlanta Braves. On September 25, the Mets were eliminated from playoff contention in a 2–1 loss to the Milwaukee Brewers, continuing a five-year-long playoff drought. On September 26, the team suffered its 82nd loss, sealing their fourth losing season in five years. The Mets spent 103 days in first place, marking the most days in MLB history a team has been in first and finished with a losing record.New York Mets have unfortunately historic season, Fansided, September 27, 2021 The Mets finished the regular season 77–85, giving them a third place finish. On October 4, Luis Rojas was declined his club option as manager, following the conclusion of the regular season. Their division rival Braves went on to win the World Series to leave the Mets as the only NL East team to not win the title in the 21st century.The Mets aim to buy a World Series title. The Braves may grow one, The Guardian, August 22, 2022
Uniform The 2021 season was the first since the 2012 season that the team's late 1990s-2000s era black alternate uniforms were worn, but only for select home game days. On July 15, the team announced that starting July 30, the Mets would wear their black jerseys every home Friday game for the rest of the year. It was the first time since July 12, 2012, that the team wore the black alternates. The Mets suited up in the throwback tops on August 13 against the Dodgers, August 27 against the Nationals, September 10 against the Yankees, and September 17 against the Phillies.
Offseason Transactions 2020 November 30 – right-handed reliever Jacob Barnes signs a 1-year, $750,000 contract with the Mets. December 2 – right-handed reliever Trevor May signs a 2-year, $15.5 million contract with the Mets. December 15 – catcher James McCann signs a 4-year, $40.6 million contract with the Mets. December 22 – Noah Syndergaard re-signs with the Mets to a 1-year contract worth $9.7 million.
2021 January 7 – acquired right-handed pitcher Carlos Carrasco and shortstop Francisco Lindor from the Cleveland Indians for infielders Amed Rosario and Andrés Giménez, and two prospects (Josh Wolf, and Isaiah Greene). January 14 – utility player José Martinez signs with the Mets on a 1-year, $1 million contract. January 15 – Edwin Díaz re-signs with the Mets on a 1-year, $7 million contract. Seth Lugo re-signs with the Mets on a 1-year, $2.9 million contract. Robert Gsellman re-signs with the Mets on a 1-year, $1.3 million deal. Brandon Nimmo re-signs with the Mets on a 1-year, $4.7 million contract. Michael Conforto re-signs with the Mets on a 1-year, $12.2 million contract. Dominic Smith re-signs with the Mets for a 1-year, $2.5 million contract. January 19 – acquired left-handed starting pitcher Joey Lucchesi from the San Diego Padres as part of a three-team trade with the Pittsburgh Pirates in exchange for catching prospect Endy Rodríguez. January 27 – acquired right-handed pitchers Sean Reid-Foley, Yennsy Díaz, and Josh Winckowski from the Toronto Blue Jays in exchange for Steven Matz. January 30 – left-handed relief pitcher Aaron Loup signs with the Mets on a 1-year, $3 million contract. February 1 – acquired right-handed starting pitcher Jordan Yamamoto from the Miami Marlins in exchange for minor league prospect Federico Polanco. February 10 – acquired outfielder Khalil Lee from the Kansas City Royals in exchange for right-handed pitcher Josh Winckowski and a player to be named later to the Boston Red Sox. The Mets also signed center fielder Albert Almora Jr. to a 1-year, $1.25 million contract. February 11 – infielder Jonathan Villar signs with the Mets on a 1-year, $3.55 million contract. February 20 – right-handed starting pitcher Taijuan Walker signs a two-year, $20 million contract with a player option for the 2023 season. February 21 – outfielder Kevin Pillar signs with the Mets on a 1-year, $5 million contract. March 31 – shortstop Francisco Lindor signs a 10-year, $341 million contract extension with the Mets.
Regular season Transactions 2021 May 18 – acquired outfielder Cameron Maybin from the Chicago Cubs in exchange for cash considerations. May 25 – acquired outfielder Billy McKinney from the Milwaukee Brewers in exchange for minor league pitcher Pedro Quintana. July 21 – acquired minor league outfielder Carlos Rincon from the Los Angeles Dodgers and cash considerations in exchange for Billy McKinney. July 23 – acquired left-handed starting pitcher Rich Hill from the Tampa Bay Rays in exchange for right-handed pitcher Tommy Hunter and minor league catcher Matt Dyer. July 30 – acquired shortstop Javier Báez and right-handed pitcher Trevor Williams from the Chicago Cubs for outfielder Pete Crow-Armstrong.
Season standings National League East
National League division leaders
Record vs. opponents
Game log LegendMets WinMets LossGame PostponedBold = Mets team member
|- style="background:#bbb | – || April 1 || @ Nationals || colspan=8| Postponed (COVID-19, makeup date June 19) |- style="background:#bbb | – || April 3 || @ Nationals || colspan=8| Postponed (COVID-19, makeup date June 28) |- style="background:#bbb | – || April 4 || @ Nationals || colspan=8| Postponed (COVID-19, makeup date September 4) |- style="background:#fbb;" | 1 || April 5 || @ Phillies || 3–5 || Brogdon (2–0) || May (0–1) || Alvarado (1) || Citizens Bank Park (10,782) || 0–1 |- style="background:#bfb; | 2 || April 6 || @ Phillies || 8–4 || Stroman (1–0)|| Anderson (0–1) || — || Citizens Bank Park (10,752) || 1–1 |- style="background:#fbb; | 3 || April 7 || @ Phillies || 2–8 || Brogdon (3–0) || Peterson (0–1) || — || Citizens Bank Park (10,807) || 1–2 |- style="background:#bfb; | 4 || April 8 || Marlins || 3–2 || Díaz (1–0) || Bass (0–2) || — || Citi Field (8,492) || 2–2 |- style="background:#fbb;" | 5 || April 10 || Marlins || 0–3 || Rogers (1–1) || deGrom (0–1) || García (1) || Citi Field (8,419) || 2–3 |- style="background:#bbb; | – || April 11 || Marlins || colspan=8| Suspended (Rain, continuation date: August 31) |- style="background:#bbb;" | – || April 12 || Phillies || colspan=8| Postponed (Rain, Makeup: April 13) |- style="background:#bfb;" | 6 || April 13 || Phillies || 4–3 || May (1–1) || Neris (0–1) || — || Citi Field (N/A) || 3–3 |- style="background:#bfb;" | 7 || April 13 || Phillies || 4–0 || Stroman (2–0) || Nola (0–1) || — || Citi Field (7,611) || 4–3 |- style="background:#bfb;" | 8 || April 14 || Phillies || 5–1 || Peterson (1–1) || Wheeler (1–2) || — || Citi Field (7,520) || 5–3 |- style="background:#bbb;" | – || April 15 || Phillies || colspan=8| Postponed (Rain, Makeup: June 25) |- style="background:#bbb;" | – || April 16 || @ Rockies || colspan=8| Postponed (Snow, Makeup: April 17) |- style="background:#bfb;" | 9 || April 17 || @ Rockies || 4–3 || deGrom (1–1) || Bard (0–1) || Díaz (1) || Coors Field (N/A) || 6–3 |- style="background:#fbb;" | 10 || April 17 || @ Rockies || 2–7 || Márquez (1–1) || Lucchesi (0–1) || — || Coors Field (13,906) || 6–4 |- style="background:#bfb;" | 11 || April 18 || @ Rockies || 2–1 || Stroman (3–0) || Senzatela (1–3) || Díaz (2) || Coors Field (15,082) || 7–4 |- style="background:#fbb;" | 12 || April 20 || @ Cubs || 1–3 || Arrieta (3–1) || Walker (0–1) || Kimbrel (4) || Wrigley Field (10,137) || 7–5 |- style="background:#fbb;" | 13 || April 21 || @ Cubs || 4–16 || Mills (1–0) || Peterson (1–2) || — || Wrigley Field (10,196) || 7–6 |- style="background:#fbb;" | 14 || April 22 || @ Cubs || 3–4 || Winkler (1–0) || Díaz (1–1) || — || Wrigley Field (10,343) || 7–7 |- style="background:#bfb;" | 15 || April 23 || Nationals || 6–0 || deGrom (2–1) || Fedde (1–2) || — || Citi Field (8,130) || 8–7 |- style="background:#fbb;" | 16 || April 24 || Nationals || 1–7 || Ross (2–1) || Stroman (3–1) || — || Citi Field (8,051) || 8–8 |- style="background:#bfb;" | 17 || April 25 || Nationals || 4–0 || Walker (1–1) || Corbin (0–3) || — || Citi Field (7,784) || 9–8 |- style="background:#fbb;" | 18 || April 27 || Red Sox || 1–2 || Richards (1–2) || Peterson (1–3) || Barnes (5) || Citi Field (7,917) || 9–9 |- style="background:#fbb;" | 19 || April 28 || Red Sox || 0–1 || Pivetta (3–0) || deGrom (2–2) || Barnes (6) || Citi Field (8,051) || 9–10 |- style="background:#fbb;" | 20 || April 30 || @ Phillies || 1–2 || Anderson (1–3) || Stroman (3–2) || Coonrod (1) || Citizens Bank Park (10,914) || 9–11
|- style="background:#bfb; | 21 || May 1 || @ Phillies || 5–4 || May (2–1) || Neris (1–3) || Díaz (3) || Citizens Bank Park (10,948) || 10–11 |- style="background:#bfb; | 22 || May 2 || @ Phillies || 8–7 || Barnes (1–0) || Kintzler (1–1)|| Familia (1) || Citizens Bank Park (10,964) || 11–11 |- style="background:#fbb;" | 23 || May 3 || @ Cardinals || 5–6 || Wainwright (1–3) || Lucchesi (0–2) || Reyes (8) || Busch Stadium (12,686) || 11–12 |- style="background:#bbb;" | — || May 4 || @ Cardinals || colspan=8| Postponed (Rain, Makeup: May 5) |- style="background:#fbb;" | 24 || May 5 || @ Cardinals || 1–4 || Helsley (3–0) || Stroman (3–3) || Reyes (9) || Busch Stadium (N/A) || 11–13 |- style="background:#bfb;" | 25 || May 5 || @ Cardinals || 7–2 ||Yamamoto (1–0) || Oviedo (0–1) || — || Busch Stadium (13,187) || 12–13 |- style="background:#bfb;" | 26 || May 6 || @ Cardinals || 4–1 || Walker (2–1) || Gant (2–3) || Díaz (4) || Busch Stadium (12,939) || 13–13 |- style="background:#bfb;" | 27 || May 7 || Diamondbacks || 5–4 || Loup (1–0) || Crichton (0–1) || — || Citi Field (7,662) || 14–13 |- style="background:#bfb;" | 28 || May 8 || Diamondbacks || 4–2 || Lucchesi (1–2) || Kelly (2–3) || May (1) || Citi Field (7,908) || 15–13 |- style="background:#bfb;" | 29 || May 9 || Diamondbacks || 4–2 || deGrom (3–2) || Smith (1–2) || Díaz (5) || Citi Field (7,880) || 16–13 |- style="background:#bfb;" | 30 || May 11 || Orioles || 3–2 || Familia (1–0) || Valdez (2–1) || — || Citi Field (7,930) || 17–13 |- style="background:#bfb;" | 31 || May 12 || Orioles || 7–1 || Walker (3–1) || Harvey (3–3) || — || Citi Field (8,035) || 18–13 |- style="background:#fbb;" | 32 || May 14 || @ Rays || 2–3 || Fairbanks (1–0) || Castro (0–1) || — || Tropicana Field (7,123) || 18–14 |- style="background:#fbb;" | 33 || May 15 || @ Rays || 5–12 || McClanahan (1–0) || Lucchesi (1–3) || — || Tropicana Field (7,536) || 18–15 |- style="background:#fbb;" | 34 || May 16 || @ Rays || 1–7 || Fleming (3–3) || Stroman (3–4) || — || Tropicana Field (7,355) || 18–16 |- style="background:#bfb;" | 35 || May 17 || @ Braves || 3–1 || Reid-Foley (1–0) || Fried (1–2) || Díaz (6) || Truist Park (22,691) || 19–16 |- style="background:#bfb | 36 || May 18 || @ Braves || 4–3 || Familia (2–0) || Smith (0–4) || Díaz (7) || Truist Park (41,149) || 20–16 |- style="background:#fbb;" | 37 || May 19 || @ Braves || 4–5 || Smith (1–4) || Barnes (1–1) || — || Truist Park (22,619) || 20–17 |- style="background:#bfb;" | 38 || May 21 || @ Marlins || 6–5 || Smith (1–0) || Cimber (0–1) || Barnes (1) || LoanDepot Park (7,282) || 21–17 |- style="background:#fbb;" | 39 || May 22 || @ Marlins || 1–3 || García (3–2) || Smith (1–1) || — || LoanDepot Park (7,513) || 21–18 |- style="background:#fbb;" | 40 || May 23 || @ Marlins || 1–5 || Poteet (2–0) || Yamamoto (1–1) || — || LoanDepot Park (7,945) || 21–19 |- style="background:#fbb;" | 41 || May 24 || Rockies || 2–3 || Gomber (3–4) || Peterson (1–4) || Estévez (1) || Citi Field (8,438) || 21–20 |- style="background:#bfb;" | 42 || May 25 || Rockies || 3–1 || Castro (1–1) || Gonzalez (2–3) || Díaz (8) || Citi Field (9,190) || 22–20 |- style="background:#bbb;" | — || May 26 || Rockies || colspan=8| Postponed (Rain, Makeup: May 27) |- style="background:#bfb;"