George Mitterwald's Three-Home-Run Game, 1974

George Mitterwald hit three home runs in one game for the Chicago Cubs against the Pittsburgh Pirates on April 17, 1974. The Chicago Cubs won 18–9.

The game was played at Wrigley Field in Chicago. The announced attendance was 15,560. The game took 2h 47m. It was a day game under sunny skies, at 62 degrees.

It was the only time George Mitterwald managed it. Jerry Reuss started for the Pittsburgh Pirates. Paul Pryor umpired behind the plate. It is the first of four three-home-run games the archive records that season.