Christy Mathewson allows 15 singles, but his teammates help with four double plays and the Giants top the Pirates, 8 – 4. Babe Adams takes the loss.

On August 2, 1911 — Christy Mathewson allows 15 singles, but his teammates help with four double plays and the Giants top the Pirates, 8 – 4. Babe Adams takes the loss.

Source:
Baseball Reference August 2
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game