Burton wins 2nd straight to disrupt Xfinity Series playoffs
A tight group of drivers speed around Turn 3 during a NASCAR Xfinity Series auto race at Martinsville Speedway in Martinsville, Va., Saturday, Oct. 31, 2020. (AP Photo/Lee Luther Jr.)

A tight group of drivers speed around Turn 3 during a NASCAR Xfinity Series auto race at Martinsville Speedway in Martinsville, Va., Saturday, Oct. 31, 2020. (AP Photo/Lee Luther Jr.)

Oct. 31, 2020 04:40 PM EDT
Harrison Burton drives on his way to winning a NASCAR Xfinity Series auto race at Martinsville Speedway in Martinsville, Va., Saturday, Oct. 31, 2020. (AP Photo/Lee Luther Jr.)

Harrison Burton drives on his way to winning a NASCAR Xfinity Series auto race at Martinsville Speedway in Martinsville, Va., Saturday, Oct. 31, 2020. (AP Photo/Lee Luther Jr.)

Oct. 31, 2020 06:51 PM EDT
Track official gives Jesse Little (4) a after the race inspection thumbs upduring a NASCAR Xfinity Series auto race at the Martinsville Speedway in Martinsville, Va.,Saturday, Oct.31, 2020. (AP Photo/Lee Luther Jr.)

Track official gives Jesse Little (4) a after the race inspection thumbs upduring a NASCAR Xfinity Series auto race at the Martinsville Speedway in Martinsville, Va.,Saturday, Oct.31, 2020. (AP Photo/Lee Luther Jr.)

Oct. 31, 2020 06:53 PM EDT
Harrison Burton talks on his phone in the track media center after winning a NASCAR Xfinity Series auto race at Martinsville Speedway in Martinsville, Va., Saturday, Oct. 31, 2020. (AP Photo/Lee Luther Jr.)

Harrison Burton talks on his phone in the track media center after winning a NASCAR Xfinity Series auto race at Martinsville Speedway in Martinsville, Va., Saturday, Oct. 31, 2020. (AP Photo/Lee Luther Jr.)

Oct. 31, 2020 06:51 PM EDT