Willie Mays's Three-Home-Run Game, 1963

Willie Mays hit three home runs in one game for the San Francisco Giants against the St. Louis Cardinals on June 2, 1963. The San Francisco Giants won 6–4.

The game was played at Sportsman's Park III in St. Louis. The announced attendance was 22,857. The game took 2h 36m. It was a day game, at 88 degrees.

Willie Mays did it three times in all. Ernie Broglio started for the St. Louis Cardinals. Lee Weyer umpired behind the plate. It is the third of seven three-home-run games the archive records that season.