Weekend Preview: Martinsville Speedway
(Photo credit: Jasen Vinlove-USA TODAY Sports)
Joe Gibbs Racing has a math problem as the NASCAR Cup Series heads for Martinsville Speedway and Sunday's Xfinity 500 (2 p.m. ET on NBC, MRN and SiriusXM NASCAR Radio).
The Round of 8 elimination race will complete the field of four drivers who will compete for the series title the following Sunday at Phoenix Raceway. JGR already has one driver in the Championship 4 -- Chris