The Joe Gibbs Racing Toyota driver led 174 of 200 laps, but had to hold off a hard-charging Carl Edwards at the finish.
Edwards' second-place finish allowed him to move within 91 points of Series leader Clint Bowyer, with just Phoenix and Homestead remaining on the schedule.
Mark Martin, Joey Logano and David Ragan completed the top-five. Bowyer finished sixth.
Celebrity Families of 2014 [PHOTOS]