Cy Williams's Three-Home-Run Game, 1923

Cy Williams hit three home runs in one game for the Philadelphia Phillies against the St. Louis Cardinals on May 11, 1923. The Philadelphia Phillies won 20–14.

The game was played at Baker Bowl in Philadelphia. The announced attendance was 1,000. The game took 2h 20m. It was a day game.

It was the only time Cy Williams managed it. Jesse Haines started for the St. Louis Cardinals. Bill Klem umpired behind the plate. It is the first of two three-home-run games the archive records that season.