The Philadelphia Phillies defeat the visiting New York Giants for the third time in a row, a come-from-behind 3 – 2 victory. The Phillies tie the score at two apiece when Gavvy Cravath hits a two-run pinch-homer in the 8th inning off Christy Mathewson. After the first two batters are retired in the 9th, Philadelphia pushes across a run to win.

On May 3, 1913 — The Philadelphia Phillies defeat the visiting New York Giants for the third time in a row, a come-from-behind 3 – 2 victory. The Phillies tie the score at two apiece when Gavvy Cravath hits a two-run pinch-homer in the 8th inning off Christy Mathewson. After the first two batters are retired in the 9th, Philadelphia pushes across a run to win.

Source:
Baseball Reference May 3