Nascar

William Byron had the field covered at Watkins Glen International, delivering such a dominant performance that no other NASCAR driver even got to his bumper in the final third of the race.  It was unusual for the Cup Series and even more rare for Byron at a road course. The 25-year-old driver won on a serpentine track for the first time in six Cup seasons, this one being his series-leading fifth victory of the season and making him a favorite to win it all.  Up next The series goes to Daytona for the regular-season finale Saturday night. Austin Dillon is the defending race winner.