Oct. 14, 1976: When Chris Chambliss won the pennant and Yankee Stadium went insane..

The biggest hit of Chris Chambliss' career also produced the biggest celebratory freakout in baseball history.

It was on this day in 1976 that Chambliss won the AL pennant for the Yankees with a walk-off homer in Game 5 of the ALCS against the Royals. But that's just the first half of the story.