VIDEO: William Byron Clocks Laps At Darlington Raceway During NASCAR XFINITY Series Rookie Test

DARLINGTON, S.C. – Prior to September’s Sport Clips Haircuts VFW 200, JR Motosports’ William Byron participated in a NASCAR XFINITY Series rookie test at Darlington Raceway on May 17. In-between runs, Byron took time out of his day to speak with the media.

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