With two outs, the Red Sox hit four homers in the fourth inning to become the first American League team to accomplish this feat with two down. Donnie Sadler, Darren Lewis, Nomar Garciaparra, and Mo Vaughn all go deep for Boston in the 9-4 victory over the Tigers.

This Day In Baseball

On July 18, 1998 — With two outs, the Red Sox hit four homers in the fourth inning to become the first American League team to accomplish this feat with two down. Donnie Sadler, Darren Lewis, Nomar Garciaparra, and Mo Vaughn all go deep for Boston in the 9-4 victory over the Tigers.

Source:
Baseball Reference July 18