Crew members work the pit as Alex Bowman comes in during a NASCAR Cup Series auto race Sunday, Sept. 5, 2021, in Darlington, S.C. (AP Photo/John Amis)

Cars race under the lights during a NASCAR Cup Series auto race Sunday, Sept. 5, 2021, in Darlington, S.C. (AP Photo/John Amis)

Ryan Blaney races in a NASCAR Cup Series auto race Sunday, Sept. 5, 2021, in Darlington, S.C. (AP Photo/John Amis)

Martin Truex Jr. pits during a NASCAR Cup Series auto race Sunday, Sept. 5, 2021, in Darlington, S.C. (AP Photo/John Amis)