Gragson backs promise to win way into Xfinity championship

Driver Noah Gragson (9) does a burnout after winning a NASCAR Xfinity Series auto race on Saturday, Oct. 30, 2021, in Martinsville, Va. (AP Photo/Wade Payne)

Driver Noah Gragson (9) celebrates after winning a NASCAR Xfinity Series auto race on Saturday, Oct. 30, 2021, in Martinsville, Va. (AP Photo/Wade Payne)

Driver Noah Gragson (9) celebrates after winning a NASCAR Xfinity Series auto race on Saturday, Oct. 30, 2021, in Martinsville, Va. (AP Photo/Wade Payne)

Driver Noah Gragson (9) crosses the finish line ahead of Austin Cindric (22) to win a NASCAR Xfinity Series auto race on Saturday, Oct. 30, 2021, in Martinsville, Va. (AP Photo/Wade Payne)

Driver Noah Gragson (9) celebrates with crew members after winning a NASCAR Xfinity Series auto race on Saturday, Oct. 30, 2021, in Martinsville, Va. (AP Photo/Wade Payne)

Driver Noah Gragson (9) leads the field during a NASCAR Xfinity Series auto race on Saturday, Oct. 30, 2021, in Martinsville, Va. (AP Photo/Wade Payne)

Driver Noah Gragson (9) races with Ty Gibbs during a NASCAR Xfinity Series auto race on Saturday, Oct. 30, 2021, in Martinsville, Va. (AP Photo/Wade Payne)