After trailing 4 – 2, the Reds score four in the 8th to defeat the Cubs, 6 – 4. Johnny Bench and Ty Cline each drive in two runs in the 8th.

This Day In Baseball

On August 1, 1970 — After trailing 4 – 2, the Reds score four in the 8th to defeat the Cubs, 6 – 4. Johnny Bench and Ty Cline each drive in two runs in the 8th.

Source:
Baseball Reference August 1
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game