Fans check out activity in the garage area before a NASCAR Cup Series auto race at Darlington Raceway, Sunday, May 9, 2021, in Darlington, S.C. It is the first time this year that fans are allowed back in the garage area. (AP Photo/Terry Renna)

Fans walk through the garage area before a NASCAR Cup Series auto race at Darlington Raceway, Sunday, May 9, 2021, in Darlington, S.C. It is the first time this year that fans are allowed back in the garage area. (AP Photo/Terry Renna)

Martin Truex Jr. talks on a cell phone after winning the NASCAR Cup Series auto race at Darlington Raceway, Sunday, May 9, 2021, in Darlington, S.C. (AP Photo/Terry Renna)

Martin Truex Jr. talks on a cell phone as team owner Joe Gibbs stands nearby after Truex won the NASCAR Cup Series auto race at Darlington Raceway, Sunday, May 9, 2021, in Darlington, S.C. (AP Photo/Terry Renna)

Brad Keselowski (2) leads the field to start the NASCAR Cup Series auto race at Darlington Raceway, Sunday, May 9, 2021, in Darlington, S.C. (AP Photo/Terry Renna)