After claiming Trucks and Xfinity series wins at Texas, Busch failed to complete the sweep, finishing a disappointing 10th. Busch still leads the Monster Energy Cup points standings, holding an 8-point lead over Denny Hamlin.
The 2021 Cup Series champion from Elk Grove, California, led a race-high 277 of 300-scheduled laps en route to the first Xfinity victory for himself and Hendrick Motorsports at the Last Great Colosseum.
Brandon Jones followed his Darlington win with a fifth-place run to lead Toyota in the NASCAR Xfinity Series race at Bristol Motor Speedway on Saturday evening.
The three-time Daytona 500 pole winner from Tucson, Arizona, posted a pole-winning lap at 128.675 mph in 14.912 seconds, which was enough to claim his second Cup Series pole position of the 2025 season and his second in a row at Thunder Valley.
