NASCAR Xfinity Series at Michigan

A.J. Allmendinger fist bumps before driver introductions at the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Justin Haley, left, and Justin Haley, A.J. Allmendinger talk before driver introductions at the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Jeremy Clements, left, talks with Alex Labbe before driver introductions at the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allmendinger, left, and Austin Cindrec lead the field at the start of the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Jeb Burton talks to his pit crew before driver introductions at the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allmendinger, left, and Austin Cindrec lead the field at the start of the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Ty Gibbs walks in the pit area before driver introductions at the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allmendinger (16) leads the field during the final overtime period at the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allemdinger climbs the fence after winning the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allemdinger poses with the trophy after winning the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allemdinger does a burnout after winning the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allemdinger leads the field in overtime to win the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allemdinger poses with the trophy after winning the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allemdinger celebrates after winning the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

A.J. Allemdinger takes the checker flag to win the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Harrison Burton is seen before the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Jeb Burton is seen before the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Ty Gibbs is seen before the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Myatt Snider is seen before the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Myatt Snider is seen before the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Jeremy Clements is seen before the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)

Ty Gibbs is seen before the NASCAR Xfinity Cup Series auto race at Michigan International Speedway, Saturday, Aug. 21, 2021, in Brooklyn, Mich. (AP Photo/Carlos Osorio)