Ken Griffey Jr.'s Three-Home-Run Game, 1997

Ken Griffey Jr. hit three home runs in one game for the Seattle Mariners against the Toronto Blue Jays on April 25, 1997. The Seattle Mariners won 13–8.

The game was played at Rogers Centre in Toronto. The announced attendance was 31,215. The game took 3h 16m. It was a night game indoors, at 70 degrees.

Ken Griffey Jr. did it twice in all. Roger Clemens started for the Toronto Blue Jays. Jim McKean umpired behind the plate. It is the fourth of eleven three-home-run games the archive records that season.