Matt Carpenter's Three-Home-Run Game, 2018

Matt Carpenter hit three home runs in one game for the St. Louis Cardinals against the Chicago Cubs on July 20, 2018. The St. Louis Cardinals won 18–5.

The game was played at Wrigley Field in Chicago. The announced attendance was 41,077. The game took 3h 54m. It was a day game, at 74 degrees.

It was the only time Matt Carpenter managed it. Jon Lester started for the Chicago Cubs. Ben May umpired behind the plate. It is the tenth of fourteen three-home-run games the archive records that season.