On this date in 1966, Braves pitcher Tony Cloninger tossed a complete game victory (9 IP, 7 H, 3 R/ER, 5 K), AND belted 2 grand slams at the plate.

Only 13 players have ever hit multiple grand slams in a game, Cloninger is the only pitcher to accomplish the feat. pic.twitter.com/lsIYaLWAKn

— ESPN Stats & Info (@ESPNStatsInfo) July 3, 2021