The Cubs' 1-0 victory over the Braves on Friday was their 251st by that smallest possible score since the Modern Era began in 1901.
They won twice by 1-0 in the post season, in Game 4 of the 1906.
Wednesday will be the 75th anniversary of Jackie Robinson's first game at Wrigley Field.
May 18, 1947. was 5 weeks after Robinson had made his historic Major League debut for the Brooklyn Dodgers.