The Indians best the Tigers, 12 – 1, in the 15,000th game in franchise history. The Tigers are the only other American League team to have played as many contests.

This Day In Baseball

On August 14, 1997 — The Indians best the Tigers, 12 – 1, in the 15,000th game in franchise history. The Tigers are the only other American League team to have played as many contests.

Source:
Baseball Reference August 14
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game