The Washington Senators defeat the Pittsburgh Pirates, 14–9, in a beanball battle. Senators pitcher Win Mercer hits three Pittsburgh batters while Pirate Pink Hawley plunks three Washington batters in a disastrous 11-run seventh inning, tying a mark he set on July 4, .
In a tense matchup, the Washington Senators triumphed over the Pittsburgh Pirates, 14–9. Senators pitcher Win Mercer exacted revenge on the Pirates' team by striking out three of their batters, while Pirate Pink Hawley responded in kind, hitting three Washington batters in an explosive seventh inning that tied his previous record.