On August 21, 1964 — 1964 – Reds reliever Billy McCool pitches 6 2/3 innings of stellar relief to beat the Dodgers, 3 – 2. McCool allows one hit and strikes out 9.
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Sources:
Baseball Reference August 21
National Pastime August 20
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game