Martin Truex Jr.'s win at Pocono three weeks ago served notice that this year's points race might be more than a two-man showdown between Kyle Busch and Kevin Harvick. Now NASCAR's defending champion is back at Sonoma Raceway, where he's had plenty of success. Truex won at Sonoma in 2013 and led several laps of last year's road race before engine trouble sidelined him with a disappointing finish.Read more on NewsOK.com