The Indians score eight runs in the 5th inning to beat the Cubs, 13 – 5, in the annual Hall of Fame Game. Earlier, the Hall had inducted Satchel Paige and the seven others selected in January.

On August 9, 1971 — The Indians score eight runs in the 5th inning to beat the Cubs, 13 – 5, in the annual Hall of Fame Game. Earlier, the Hall had inducted Satchel Paige and the seven others selected in January.

Source:
Baseball Reference August 9
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game