August 19
From The Met Wiki
1969: Tommie Agee's 14th inning home run gives the Mets a 1-0 win over Juan Marichal and the Giants at Shea Stadium.
1990: The Mets hold off a Giants comeback effort and come away with a 10-9 win at San Francisco. Kevin McReynolds drives in six runs in the game.
2001: Mike Piazza hits two home runs in the Mets' 6-5 win over the Dodgers at Los Angeles.
2007: The Mets defeat the Nationals, 8-2, to complete a three-game series sweep in Washington. Carlos Beltran hits two home runs and Shawn Green delivers a bases-loaded single to put the Mets ahead to stay.
