Martin Truex Junior returned to his 2017 championship form on Sunday with a dominating victory at Auto Club Speedway in Fontana, California. Truex started from the pole, swept the first two stages and led a race-high 125 laps en route to his sixteenth Cup Series win and first this year in defense of his title. He is just the third driver to win a race in Fontana from the pole. Truex leads the point standings after five races. The drivers head to Martinsville this weekend for the first short-track race of the year.