Mets to Honor Jerry Koosman with Sleeve Patch
The New York Mets will wear a memorial patch for Jerry Koosman on their 2027 uniforms following his death at age 83.
Updated on Nov. 5, 2026 in Baseball
The New York Mets announced they will wear a memorial patch on the sleeve of home and road uniforms in 2027 honoring Jerry Koosman, who died at age 83 in Osceola, WI. The club announced the patch on Thursday, and its design will be unveiled at a later date.
Why it matters
Koosman is the winningest left-hander in Mets history with 140 victories and was a key figure on the 1969 championship team. The patch extends the franchise's recognition of a player whose number 36 was retired in 2021.
Koosman ranks second in Mets history with 346 starts, 108 complete games and 2,544.2 innings pitched, and he went 2-0 with a 2.04 ERA in the 1969 World Series. The team has not yet released the patch design.
The players
Jerry Koosman
Koosman was a left-handed pitcher whose 140 Mets victories remain a franchise record for a left-hander and who helped anchor the 1969 championship club.
New York Mets
The Mets are a Major League Baseball franchise based in New York that won their first World Series title in 1969.
The details
The Mets will wear the patch on the sleeve of both home and road uniforms beginning in 2027. Koosman, who was inducted into the Mets Hall of Fame in 1989 and named an All-Star in 1968 and 1969, played for the club from 1967 to 1978.
Timeline
1964: Koosman originally signed with the Mets.
1967-78: Koosman played for the Mets.
1969: Koosman helped the Mets win their first World Series championship.
2021: The Mets retired Koosman's No. 36.
Thursday, Nov. 5, 2026: The Mets announced the memorial patch.
Season Trajectory
The club's 2021 retirement of Koosman's No. 36 marked his place among the franchise's most prominent pitchers, and this patch extends that recognition onto the uniforms for the 2027 season. It places Koosman's legacy alongside the Mets' 1969 championship era in the team's ongoing commemoration of its history.
The patch will appear on the sleeve of both home and road uniforms during the 2027 season, so fans attending or watching games will see the tribute throughout the year. The design details will be announced later, and fans can expect the unveiling to follow the club's announcement.
The takeaway
Koosman's career shows how a single franchise can preserve a player's legacy across decades, from a 1969 championship to a number retirement and now a uniform tribute. Fans following the Mets can watch for the patch design when it is revealed.
Further reading
Explore more Baseball coverage from across the league and the Mets franchise.
