Mariners 3B Mike Blowers hits a grand slam and a 3-run homer in his first two at bats to plate seven runs, in Seattle’s 9 – 3 win over Boston. Blowers earlier drove in eight runs in a game.

On August 18, 1995 — Mariners 3B Mike Blowers hits a grand slam and a 3-run homer in his first two at bats to plate seven runs, in Seattle’s 9 – 3 win over Boston. Blowers earlier drove in eight runs in a game.

Source:
Baseball Reference August 18
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