The Clash, the first event leading into the Feb. 26 season-opening Daytona 500, was postponed to Sunday morning due to rain.
Dale Earnhardt Jr., sidelined from the NASCAR Sprint Cup Series because of a concussion, was pulled over for speeding while driving to Texas Motor Speedway on Sunday before the AAA Texas 500.
When an engine failure knocked title favorite Martin Truex Jr. from NASCAR's playoffs, the rest of the top contenders got a little bit of breathing room.
Jimmie Johnson won at Charlotte to advance to the third round of NASCAR's playoffs on a day when other drivers in the Chase struggled.
Dale Earnhardt Jr. continues to put himself in situations to help him rehabilitate from a concussion that will keep him out of a race car for at least the remainder of the 2016 season.
Martin Truex Jr. took the early lead in NASCAR's Chase for the Sprint Cup championship with a victory Sunday at Chicagoland Speedway.