AJ Allmendinger held off Ryan Sieg, who was in search of his first career win, to take the victory in Saturday night's NASCAR Xfinity Series Ambetter Health 302 at Las Vegas Motor Speedway. With the win,

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

After dominating for much of the evening, AJ Allmendinger held off Ryan Sieg in a two-lap shootout to score his first victory of the 2024 season. Sieg caught — and nearly passed Allmendinger — during the race's final green flag run, but a caution for a stalled Sammy Smith brought out the yellow flag and re-racked the field.