For the third time in his career, Kevin Bass homers from each side of the plate in a game, as the Astros double the Cubs, 8 – 4, winning again in the 9th. Bass’s second homer of the game is a grand slam with one out in the 9th off Mitch Williams. Danny Darwin (11-3) is the winner.

On August 20, 1989 — For the third time in his career, Kevin Bass homers from each side of the plate in a game, as the Astros double the Cubs, 8 – 4, winning again in the 9th. Bass’s second homer of the game is a grand slam with one out in the 9th off Mitch Williams. Danny Darwin (11-3) is the winner.


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Sources:
Baseball Reference August 20
National Pastime August 20
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game