Greg Biffle enters his 11th full season in the NASCAR Sprint Cup Series in 2013, all of which have come as a member of the Roush Fenway Racing organization. Biffle, driver of the No. 16 3M Ford, came into the season with 18 career Cup victories, including a single-season high of six in 2005, and has finished among the top seven in the series championship five times. His best performance came in 2005 when he finished runner-up to Tony Stewart. Previously, Biffle won both rookie-of-the-year honors and the championship in the NASCAR Nationwide Series and Camping World Truck Series.