Rosin Bag Explodes In A.J. Burnett's Hand In Possible April Fools' Day Prank (VIDEO)

After a rosin bag exploded over pitcher A.J. Burnett during the opening-day game between the Pittsburgh Pirates and the Chicago Cubs, there was just one question on everybody's lips: Was the powdered blast part of a sneaky April Fools' Day prank or an entirely unintended mishap? According to USA Today, the Pirates' ace was taken by surprise at the mound on Monday when a rosin bag -- typically used by pitchers to dry their hands -- exploded in a cloud of dust around him. (Story continues below)