An unknown quantity were signed and released from Roush Racing as autographed versions with a CoA. Greg Biffle won two races driving the #16 National Guard Ford for Roush Racing in 2006. Biffle won the Dodge Charger 500 at Darlington on May 13 for his 13th career win, then he ended the season by winning the Ford 400 at Homestead Miami on November 19 for his 11th career win. Biffle finished the 2006 season with 2 wins, 8 Top-5 finishes, and 15 Top-10 finishes.