Denny Hamlin celebrates in Victory Lane after winning the NASCAR Cup Series auto race at Dover International Speedway, Saturday, Aug. 22, 2020, in Dover, Del. (AP Photo/Jason Minto)

FILE - William Byron makes a pit stop during a NASCAR Cup Series auto race at Texas Motor Speedway in Fort Worth, Texas, Sunday, July 19, 2020. NASCAR has built itself around its traveling show, every weekend a super-charged event of concerts, camping and infield carousing that closes with a Cup race. The party has been canceled during the pandemic but the playoffs go on, starting Sunday, Sept. 6, without any of the pomp and circumstance. (AP Photo/Ray Carlin, File)

FILE - In this May 21, 2020, file photo, Chase Briscoe (98) passes empty seats during the NASCAR Xfinity Series auto race in Darlington, S.C. In South Carolina, venues ranging from Darlington Speedway to Memorial Stadium at Clemson must submit a plan to the Department of Commerce that lays out how they settled on their attendance number during the coronavirus pandemic. The speedway seats 47,000 but was approved to have 8,000 for the start of NASCAR's playoffs on Sunday (17% of capacity). (AP Photo/Brynn Anderson, File)