1977 – Against visiting Seattle, the Red Sox have two outs in the 6th inning, and then unload back-to-back-to-back homers by George Scott, Butch Hobson and Dwight Evans. The Red Sox win, 13 – 6.

On August 13, 1977 — 1977 – Against visiting Seattle, the Red Sox have two outs in the 6th inning, and then unload back-to-back-to-back homers by George Scott, Butch Hobson and Dwight Evans. The Red Sox win, 13 – 6.

Source:
Baseball Reference August 13
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game