Ross Chastain wins at Kansas; Kyle Larson finishes 26th

(Photo credit: Amy Kontras-Imagn Images)
Ross Chastain opened the Round of 12 NASCAR Cup Series playoffs Sunday by racing away from William Byron in a 20-lap dash to win the Hollywood Casino 400 Presented by ESPN BET at Kansas Speedway in Kansas City, Kan.

A non-championship competitor, the Alva, Fla., native used his No. 1 Trackhouse Racing Chevrolet to hold off Byron's No. 24 by 0.388 seconds for his fifth career victo