Hendrick Motorsports is in a precarious position heading into first playoff elimination round.

Noah Gragson held off Harrison Burton in a two-lap overtime shootout at at Darlington Raceway on Saturday for his first NASCAR Xfinity Series victory of the season.

Kyle Busch completed a 5-for-5 sweep of what might be his final season in the Xfinity Series with a late recovery at Atlanta Motor Speedway.