St. Louis Cardinals first baseman Matt Adams falls into the...

St. Louis Cardinals first baseman Matt Adams falls into the stands while trying to catch a foul ball hit by the Cincinnati Reds' Chris Heisey that was caught by a fan in the third inning of a game on Thursday, April 3, 2014, in Cincinnati. Credit: AP / Al Behrman

Fan interference is as much a human part of the game as missed calls by umpires before the latest replay rules came into effect -- just ask St. Louis Cardinals first baseman Matt Adams.

With runners on first and second in the bottom of the third inning, the Cincinnati Reds' Chris Heisey popped a ball down the first base line in foul territory. Adams leaned over the tarp and into the stands to try to make the play, but instead a Reds' fan came away with it. Adams gave the fan a light shove and walked back to his position. The fan wasn't happy with that. He taunted Adams by waving the ball and a bird (hint: it wasn't a Cardinal) in his direction.

Heisey ended up reaching on an error by centerfielder Jon Jay, but the Cardinals got the win, 7-6.

See Adams' battle with a fan below:

App users can watch the video here: http://atmlb.com/1kwjXXV

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