AJ Allmendinger wins Michigan Xfinity race in triple OT

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. 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 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 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)

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 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 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 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)