The pit crew works on Ty Gibbs' car during a NASCAR Xfinity Series auto race at Charlotte Motor Speedway, Saturday, May 29, 2021, in Charlotte, N.C. (AP Photo/Ben Gray)

Entertainer Jay Leno smiles for a photo with fans at a NASCAR Cup Series auto race at Charlotte Motor Speedway in Concord, N.C., Sunday, May 30, 2021. Leno will be giving the command for drivers to start their engines. (AP Photo/Nell Redmond)

Cars move through Turn 4 during a NASCAR Xfinity Series auto race at Charlotte Motor Speedway, Saturday, May 29, 2021, in Charlotte, N.C. (AP Photo/Ben Gray)

Cars move through Turn 4 during a NASCAR Xfinity Series auto race at Charlotte Motor Speedway, Saturday, May 29, 2021, in Charlotte, N.C. (AP Photo/Ben Gray)

NASCAR Cup Series driver Ryan Newman smiles for a photo with a fan before a NASCAR Cup Series auto race at Charlotte Motor Speedway in Concord, N.C., Sunday, May 30, 2021. (AP Photo/Nell Redmond)

People watch a NASCAR Xfinity Series auto race at Charlotte Motor Speedway, Saturday, May 29, 2021, in Charlotte, N.C. (AP Photo/Ben Gray)

A crew member sits on tires during a NASCAR Xfinity Series auto race at Charlotte Motor Speedway, Saturday, May 29, 2021, in Charlotte, N.C. (AP Photo/Ben Gray)

NASCAR Cup Series driver Kyle Larson (5) leads the pack to start the NASCAR Cup Series auto race at Charlotte Motor Speedway in Concord, N.C., Sunday, May 30, 2021. (AP Photo/Nell Redmond)