PICTURES: The 31st Annual Pocono 400.

Auto RacingDale Earnhardt, Jr.
Dale Earnhardt Jr., driver of the #88 National Guard / Diet Mtn. Dew Chevrolet's pit crew changes tires and adds fuel during a pit stop in the 31st Annual Pocono 400 at Pocono Raceway Sunday afternoon. KEVIN MINGORA / THE MORNING CALL
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