Roush Fenway Racing, originally Roush Racing, is an American professional stock car racing team competing in NASCAR racing. As one of NASCAR's largest premier racing teams, Roush runs teams in the Sprint Cup and Xfinity Series, and formerly in the Camping World Truck Series and ARCA Racing Series. As of 2015, the team fields the No. 6 AdvoCare Ford Fusion for Trevor Bayne, the No. 16 Ortho Ford Fusion for Greg Biffle, and the No. 17 Fastenal/Zest Ford Fusion for Ricky Stenhouse, Jr. in the Sprint Cup Series. In the Xfinity Series, RFR fields the No. 6 Ford EcoBoost/Roush Performance Ford Mustang for Darrell Wallace, Jr., and the No. 16 Lilly Diabetes/Drive to Stop Diabetes Ford Mustang for Ryan Reed.