The Reds take two from Pittsburgh to move into first place. The Reds and Giants will seesaw back and forth until August 1st, when the Reds gradually begin to pull away, sprinting at the end to a 9-game lead.

On July 6, 1919, The Reds take two from Pittsburgh to move into first place. The Reds and Giants will seesaw back and forth until August 1st, when the Reds gradually begin to pull away, sprinting at the end to a 9-game lead.

Source:

Baseball Reference July 6