On August 15, 1907 — At the Polo Grounds, Hooks Wiltse edges the Reds for a 4 – 3 Giants win. Christy Mathewson preserves the win with a scoreless 9th.

Support This Day In Baseball
Support This Day In Baseball

Source:
Baseball Reference August 15
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game