Former New York Mets pitcher Jerry Koosman, widely regarded as the best left-handed pitcher in franchise history and a pivotal figure in the team's 1969 World Series championship, died on Sunday at the age of 86, the Mets announced.
Koosman played a crucial role in the "Miracle Mets" season, helping the franchise capture its first World Series title. The team confirmed his passing on Monday, November 2, 2026.
