This was his first race since he suffered a back injury last month at Talladega. Nick Sanchez placed a career-best third. Allgaier, the reigning series champion, finished fourth for his ninth top-five result of the season.

Two-time reigning Daytona 500 champion William Byron overcame a speeding penalty to win the NASCAR Xfinity Charlotte race.

Saturday’s NASCAR race at Charlotte needed an overtime finish, like more than half of the Xfinity Series races this year, and the local Cup Series star prevailed.