It's become a new American tradition at baseball games.
Fans who are either glove-less or holding a beer have now decided to use their cup as a catching device for foul balls. Sometimes the fan's efforts turn out well; other times, not so much.
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Luckily for baseball fans on Saturday, we saw a successful case of catching a foul ball in your beer cup at the Cubs-Padres game at Wrigley Field (and an extra-inning win for the North Siders).
Check out this fan's excitement over her catch and her dedication to finish the beer afterwards in the video above.