Sprint Cup driver Austin Dillon prepares to go on the track for the first round of practice for a NASCAR autop race at Martinsville Speedway in Martinsville, Va., Friday March 28, 2014. (AP Photo/Mike McCarn)
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Sprint Cup driver Austin Dillon prepares to go on the track for the first round of practice for a NASCAR autop race at Martinsville Speedway in Martinsville, Va., Friday March 28, 2014. (AP Photo/Mike McCarn)
