The checkered flag has flown for the Ambetter Health 302 NASCAR Xfinity Series race at Las Vegas Motor Speedway. AJ ...

Such was the case with AJ Allmendinger, who led 102 laps en route to victory in the NASCAR Xfinity Series Ambetter Health 302 ...

AJ Allmendinger sealed a Xfinity Series championship bid, fending off Ryan Sieg for a clinching victory at Las Vegas Motor ...

AJ Allmendinger held off Ryan Sieg, who was in search of his first career win, to take the victory in Saturday night's NASCAR ...

After dominating for much of the evening, AJ Allmendinger held off Ryan Sieg in a two-lap shootout to score his first victory ...

Allmendinger will go for his first Xfinity title after beating Ryan Sieg by 0.156 seconds for the win. It was quite a ...

After not winning in the regular season, A.J. Allmendinger becomes the first to lock into the championship battle at Phoenix.

AJ Allmendinger won a two-lap sprint to finish Saturday night for his first victory of the season and an automatic berth in ...

AJ Allmendinger won a two-lap sprint to finish Saturday night for his first victory of the season and an automatic berth in ...

After not winning in the regular season, A.J. Allmendinger becomes the first to lock into the championship battle at Phoenix.

LAS VEGAS — AJ Allmendinger won a two-lap sprint to finish Saturday night for his first victory of the season and an automatic berth in the NASCAR Xfinity Series championship finale ...