Austin Dillon holds off Ryan Blaney for XFINITY win in Las Vegas
Mar. 7, 2015 By Reid Spencer NASCAR Wire Service LAS VEGAS, Nev.—As dominant as Austin Dillon was in Saturday’s Boyd Gaming 300 NASCAR XFINITY Series race at Las Vegas Motor Speedway, he had to give his utmost effort in the closing laps to hold off charging Ryan Blaney for the victory. Dillon led 183 of the 200 laps at the 1.5-mile speedway, but Blaney had a tire advantage at the end of the race, thanks to a late pit stop after his car snapped loose and knocked Erik Jones into the outside wall at the exit from Turn 4. After restarting fifth…