Mike Schmidt hit his 500th home run on April 18, 1987 against the Pittsburgh Pirates at Three Rivers Stadium. In quintessential fashion, the long ball was hit in the 9th inning with 2 outs, for the game winner! Official scorecard from that game is guaranteed one-of-a-kind, neatly scored by Pittsburgh announcer, Lanny Frattare, who has signed in blue sharpie. EX+.