On August 14, 1999 — The Rockies and Expos combine to hit 10 home runs in Colorado’s 11 – 8 victory. Four players – Montreal’s Geoff Blum and Colorado’s Edgard Clemente, Todd Helton and Dante Bichette – each hit a pair, while Jose Vidroand Rondell White also connect. It is only the third time in major league history that four players have each hit two home runs in the same game.
Source:
Baseball Reference August 14
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game