Wow. Prank or accident, this is tremendous.
This is A.J. Burnett.
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Image by J. Meric / Getty Images
He was the opening day starter for the Pittsburgh Pirates.
This is a rosin bag.
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Image by Charlie Neibergall / AP
Baseball pitchers use it to get better control of the ball.
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Image by Ron Jenkins/Fort Worth Star-Telegram/MCT
