Article Photos: OU defensive coordinator Brent Venables: Run game, turnovers key to the game 2/55

NATIONAL SIGNING DAY / SIGN / LETTER OF INTENT: Aaron Colvin mug  will play football at the University of Oklahoma (OU) during signing day ceremonies at Owasso High School Feb. 3, 2010. MIKE SIMONS/Tulsa World ORG XMIT: DTI1002030839391902