1912 – The Red Sox run their record to 87-37 with a 2 – 1 win over the A’s. Following the game, Connie Mack says he never realized how strong the Sox were, and concedes the pennant to them. There are 30 games left for Boston.

This Day In Baseball

On August 31, 1912 — 1912 – The Red Sox run their record to 87-37 with a 2 – 1 win over the A’s. Following the game, Connie Mack says he never realized how strong the Sox were, and concedes the pennant to them. There are 30 games left for Boston.

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Sources:
Baseball Reference August 31
National Pastime August 31
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game