October 1
From The Met Wiki
1969: The Mets win their 100th game of the season with a 6-5 victory over the Cubs in 12 innings at Chicago.
1973: The Mets clinch the National League East title with a 6-4 win over the Cubs at Chicago.
1982: Terry Leach pitches a 10-inning one-hitter over the Phillies at Philadelphia. The Mets win, 1-0.
1985: The Mets defeat the Cardinals, 1-0, at St. Louis. Darryl Strawberry's home run in the 11th inning gives the Mets the win.
1999: The Mets defeat the Pirates, 3-2, in 11 innings at Shea Stadium.
