Injured Oklahoma State quarterback Zac Robinson (11) talks with reserve quarterback Brandon Weeden (4) in the first quarter of an NCAA college...

Oct 24, 2009; Waco, TX, USA; Oklahoma State Cowboys quarterback Zac Robinson (11) rolls out against the Baylor Bears at Floyd Casey Stadium

Oklahoma State quarterback Zac Robinson lies on the ground, following a collision with a Texas Tech defender, while members of the...

Oct 31, 2009; Stillwater, OK, USA; Oklahoma State Cowboys quarterback Zac Robinson (11) throws a pass during the first quarter against the Texas Longhorns at Boone Pickens Stadium...

Oct 31, 2009; Stillwater, OK, USA; Oklahoma State Cowboys quarterback Zac Robinson (11) drops back to pass during the first quarter against theTexas Longhorns at Boone Pickens Stadium...

USC QB Matt Barkley, Oregon QB Jeremiah Masoli, Texas QB Colt McCoy and Oklahoma State QB Zac Robinson

Oct 24, 2009; Waco, TX, USA; Oklahoma State Cowboys quarterback Zac Robinson (11) looks to pass against the Baylor Bears at Floyd Casey Stadium. Mandatory Credit: Tim Heitman...

Oklahoma State quarterback Zac Robinson (11) throws a pass as Texas A&M linebacker Michael Hodges, right, defends during the second...

Oklahoma State offensive lineman, Russel Okung, right, watches as quarterback Zac Robinson, left, is sacked for a loss of 5 yards by Houston defensive end Tyrell Graham, center...

Oklahoma State offensive lineman, Russel Okung, right, watches as quarterback Zac Robinson, left, is sacked for a loss of 5 yards by Houston defensive end Tyrell Graham, center...

...Ohio. Ohio State won 42-7. (Photo by Andy Lyons/Getty Images) AUSTIN, TX - OCTOBER 25: Zac Robinson #11 of the Oklahoma State Cowboys during play against the Texas Longhorns at Texas Memorial Stadium...

STILLWATER, OK - NOVEMBER 29: Quarterback Zac Robinson #11 of the Oklahoma State Cowboys drops back to pass against the Oklahoma Sooners at Boone...

Dec 30, 2008; San Diego, CA, USA; Oklahoma State Cowboys quarterback Zac Robinson (11) throws a pass during the Cowboys' 42-31 loss to the Oregon Ducks in the...

COLUMBIA, MO - OCTOBER 11: Zac Robinson #11 of the Oklahoma State Cowboys rolls out to pass against the Missouri Tigers on October...

Colorado head coach Dan Hawkins, left, greets injured Oklahoma State quarterback Zac Robinson, right, following of an NCAA college football game in Stillwater, Okla., Thursday, Nov. 19, 2009. Oklahoma...