Phoenix: Ed Carpenter, Ed Carpenter Racing Chevrolet, Tony Kanaan, A.J. Foyt Enterprises Chevrolet, Graham Rahal, Rahal Letterman Lanigan Racing Honda, Takuma Sato, Rahal Letterman Lanigan Racing Honda
Ed Carpenter, Ed Carpenter Racing Chevrolet, Tony Kanaan, A.J. Foyt Enterprises Chevrolet, Graham Rahal, Rahal Letterman Lanigan Racing Honda, Takuma Sato, Rahal Letterman Lanigan Racing Honda