Daniel Hemric, left, and AJ Allmendinger, right, lead as a NASCAR Xfinity Series auto race starts, 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)

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)

Colby Howard pits during a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Daniel Hemric (18) is passed by Harrison Burton (20) as Noah Gragson (9) bears in during the first stage of 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)

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)

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)

Noah Gragson is showered by crew members in victory lane after winning 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)

Noah Gragson celebrates in victory lane with his crew after winning a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

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

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)

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

Noah Gragson celebrates in victory lane with his crew after winning a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Noah Gragson (9) crosses the finish line to win as Harrison Burton (20) follows in a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Riley Herbst heads toward pit row after a crash during a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Noah Gragson races in a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Noah Gragson, in helmet, celebrates with crew members as they climb the fence after winning a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Tyler Reddick pits as crew members jump into action during a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Crew members work the pit as Tyler Reddick pulls ou during a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Noah Gragson celebrates in victory lane after winning a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Noah Gragson celebrates in victory lane after winning a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Noah Gragson (9) runs next to Denny Hamlin (54) during a NASCAR Xfinity Series auto race Sunday, Sept. 5, 2021, in Darlington, S.C. (AP Photo/John Amis)

AJ Allmendinger (16) moves in a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Denny Hamlin races in a NASCAR Xfinity Series auto race Saturday, Sept. 4, 2021, in Darlington, S.C. (AP Photo/John Amis)

Noah Gragson (9) runs in a NASCAR Xfinity Series auto race Saturday, Sept.4, 2021, in Darlington, S.C. (AP Photo/John Amis)