They didn't lose the game they led by 11 they won it on a walk off by Hatteberg.
They blew the 11-0 lead to the Kansas City Royals, who tied the game at 11-11 in the top of the ninth inning. However, in the bottom of the ninth, pinch-hitter Scott Hatteberg hit a walk-off solo home run to secure a 12-11 victory and the American League record for 20 consecutive wins
Did you even watch the movie?