Former New York Mets left‑handed pitcher Jerry Koosman, widely regarded as the best left‑hander in franchise history and a key contributor to the team’s 1969 World Series championship, died Sunday at age 86, the Mets announced.
Koosman posted a 140‑137 record with a 3.36 ERA over 12 seasons with New York and was the winning pitcher in Game 2 and Game 5 of the 1969 Series against the Baltimore Orioles.
The team confirmed his passing on Monday, November 2, 2026.
