A squirrel ran onto the field during Friday night's game between the Yankees and the Red Sox and caused a brief delay. The speedy critter emerged from an area behind the plate in the fourth inning and stopped behind Boston rookie Jhostynxon Garcia’s left foot as the outfielder took a timeout and adjusted his batting gloves.

A squirrel ran onto the field at Yankee Stadium and caused a brief delay during the game between New York and Boston.

A squirrel scampered around the outfield at Yankee Stadium on Friday, but it's far from the first time a creature stole the show at a sporting event.