Nemechek, a full-time driver in the Camping World Truck Series, was making his fourth Xfinity series start this season.
Results: Texas Xfinity race results
AJ Allmendinger remains the points leader. He has 3090 points. Also above the cutline are Austin Cindric (3086 points), Justin Allgaier (3064) and Noah Gragson (3062).
Daniel Hemric is the first driver outside a transfer spot. He’s two points behind Gragson.