April 7
From The Met Wiki
1970: The Mets win on Opening Day for the first time ever. They defeat the Pirates at Forbes Field, 5-3, in 11 innings.
1973: Willie Mays hits a run-scoring single in the ninth inning to give the Mets a 3-2 win over the Phillies at Shea Stadium.
1977: The Mets defeat the Cubs, 5-3, on Opening Day at Wrigley Field.
1978: Jerry Koosman pitches a complete game in the Mets' 3-1 win over the Expos on Opening Day at Shea Stadium.
1984: In his major league debut, Dwight Gooden records his first win in the Mets 3-2 victory over the Astros in Houston.
1987: The Mets defeat the Pirates, 3-2, on Opening Day at Shea Stadium.
1993: The Mets defeat the Rockies, 6-1, at Shea Stadium. Bret Saberhagen allows two hits in eight innings and Mike Maddux pitches a perfect ninth.
