Joe Gibbs Racing announced that William Sawalich will miss Saturday's Xfinity Series race at Martinsville due to concussion-like symptoms.
Here's what's happening in NASCAR with Talladega Superspeedway in the rearview and Martinsville Speedway up next (Sun., 2 p.m. ET, NBC).
Get ready for a Martinsville Speedway tripleheader weekend, where the Championship 4s will be finalized in all three national series.
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