The Elk Grove, California, native drew himself into a tie with Denny Hamlin for the lead in the regular-season standings after capturing his fifth Cup victory of the season at The Glen.
The 18-year-old rookie from Charlotte, North Carolina, fended off late challenges from AJ Allmendinger and Austin Cindric to notch his third Xfinity career victory at The Glen.
For the first time in 20-years, the NASCAR Camping World Truck Series came back to Watkins Glen International Raceway for the final race of the 2021 regular season. Knoxville race winner, Austin Hill, claimed the victory, as the race was called just 11 laps short due to lightning in the area.
The 18-year-old grandson of NASCAR Hall of Famer and team owner Joe Gibbs will return for an additional 14 Xfinity Series races throughout the 2021 season.