John Hunter Nemechek is a Sunoco Rookie of the Year contender and in his first full season in the NASCAR Xfinity Series after competing part-time in 2018. Nemechek, the son of former Xfinity champion Joe Nemechek, drives the No. 23 Chevrolet for GMS Racing. In 2018, John Hunter Nemechek earned his first career Xfinity victory at Kansas, one of 11 top-10 finishes he had in 18 starts. He has six career Gander Outdoors Truck Series wins and twice qualified for the playoffs.