After a burnout on the track, Noah Gragson celebrates winning a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Carson Ware makes a pit stop after causing a yellow flag during a NASCAR Xfinity Series auto race, Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Daniel Hemric (18) is followed by AJ Allmendinger (16) and Justin Allgaier (7) during a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Justin Allgaier, left, and AJ Allmendinger, right, lead as cars are released from the first yellow flag of a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Noah Gragson stands with the trophy after winning a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Carson Ware gets sideways as he comes out of Turn 4 in a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)