Ryan McMahon's Three-Home-Run Game, 2021

Ryan McMahon hit three home runs in one game for the Colorado Rockies against the Arizona Diamondbacks on April 6, 2021. The Colorado Rockies lost 10–8.

The game was played at Coors Field in Denver. It went thirteen innings. The announced attendance was 10,240. The game took 4h 29m. It was a night game under cloudy skies, at 40 degrees.

It was the only time Ryan McMahon managed it. Luke Weaver started for the Arizona Diamondbacks. Bill Welke umpired behind the plate. It is the first of fourteen three-home-run games the archive records that season.