Roger Lee Hayden is the younger brother of both 2006 MotoGP World Champion Nicky Hayden and AMA Superbike Championship rider Tommy Hayden. In July 2007, Hayden made his MotoGP début as a wild card for Kawasaki at Mazda Raceway Laguna Seca. He piloted the Kawasaki ZX-RR to a tenth place finish, scoring six points for the Japanese manufacturer. He went on to clinch the AMA 600 Supersport championship later that year, and had another World Championship appearence in 2010 in the Moto2 class, finishing 11th.