Andruw Jones’s grand slam is the Braves’ tenth of the season, breaking the National League mark for bases-full home runs for a team in single season. Ironically, the record is broken in an American League park as Atlanta defeats the Red Sox at Fenway.

On August 31, 1997 — Andruw Jones’s grand slam is the Braves’ tenth of the season, breaking the National League mark for bases-full home runs for a team in single season. Ironically, the record is broken in an American League park as Atlanta defeats the Red Sox at Fenway.


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