In the first game of a twinbill with the Brewers, the Red Sox strand a major league-record tying 20 runners, but still win, 8 – 5.

On July 10, 1977 In the first game of a twinbill with the Brewers, the Red Sox strand a major league-record tying 20 runners, but still win, 8 – 5.

Source

Baseball Reference July 10