At Pittsburgh, the Pirates win their third straight against the leading Giants, belting Christy Mathewson for 15 hits and six runs in eight innings. Spitballer Marty O’Toole allows seven hits to win, 7 – 2.

On August 7, 1912 — At Pittsburgh, the Pirates win their third straight against the leading Giants, belting Christy Mathewson for 15 hits and six runs in eight innings. Spitballer Marty O’Toole allows seven hits to win, 7 – 2.

Source:
Baseball Reference August 7
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game