The battle for gridiron supremacy just heated up. Darren Rovell reports that Auburn quarterback Cam Newton has signed with Under Armour in a footwear and apparel endorsement deal. Newton wore Under Armour as an Auburn Tiger in a decorated career that saw both a National Championship and Heisman Award. It is reported that Under Armour will unveil an entire collection for Newton that will include a signature shoe, football and training gear, and jerseys with his name on the back. Does Cam signing to Under Armour increase the brand’s appeal? Tell us in the comment section.