May 11 in Houston Astros History: Bob Aspromonte slugs a tenth-inning homer as the Colt .45s sweep the Cubs, 2-1. Jim Umbricht pitches two (1963)

Bob Aspromonte slugs a tenth-inning homer as the Colt .45s sweep the Cubs, 2-1. Jim Umbricht pitches two innings for the victory.

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Source: Historical record

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