Allmendinger locks the first NASCAR Xfinity Series Final 4 sport with a win at Las Vegas Motor Speedway on Saturday in the Ambetter Health 302.

LAS VEGAS _ It was the season’s first NASCAR Xfinity Series trophy for A.J. Allmendinger. Still, the timing was on point, his Playoff win in Saturday’s Ambetter Health 302 at Las Vegas Motor Speedway punching his ticket into next month’s season finale Championship race.