FILE - This Aug. 30, 2012 photo shows the exterior of Reliant Stadium before an NFL preseason football game between the Houston Texans and the Minnesota Vikings, in Houston. A fan was taken to a Houston hospital after falling from an escalator at Reliant Stadium. A statement issued by officials of Reliant Park, where the stadium is situated, says the fan fell from the escalator Thursday night, Aug. 30, 2012, while attending a preseason game between the Houston Texans and Minnesota Vikings.(AP Photo/Dave Einsel, File)
FILE - In this Oct. 1, 2011, file photo, Michigan quarterback Denard Robinson (16) looks to pass during the second quarter of an NCAA college football game against Minnesota in Ann Arbor, Mich. The center of the college football world will be Arlington, Texas on Saturday, when No. 8 Michigan plays No. 2 and defending national champion Alabama at Dallas Cowboys Stadium.(AP Photo/Carlos Osorio, File)
FILE - In this Oct. 1, 2011, file photo, Michigan quarterback Denard Robinson (16) looks to pass during the second quarter of an NCAA college football game against Minnesota in Ann Arbor, Mich. The center of the college football world will be Arlington, Texas on Saturday, when No. 8 Michigan plays No. 2 and defending national champion Alabama at Dallas Cowboys Stadium.(AP Photo/Carlos Osorio, File)
Washington Redskins offensive tackle Trent Williams (71) blocks Indianapolis Colts linebacker Kavell Conner (53) as running back Alfred Morris (46) moves past during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)
Washington Redskins offensive tackle Trent Williams (71) blocks Indianapolis Colts linebacker Kavell Conner (53) as running back Alfred Morris (46) moves past during the first half of an NFL preseason football game Saturday, Aug. 25, 2012, in Landover, Md. (AP Photo/Nick Wass)
In this photo taken Friday, Aug. 3, 2012, North Carolina coach Larry Fedora, right, speaks with Tim Jackson during an NCAA college football practice in Chapel Hill, N.C. North Carolina finally has some certainty as it opens the season under new coach Larry Fedora _ including the knowledge that the Tar Heels won't play in a bowl game no matter how many games they win. (AP Photo/Gerry Broome)
Washington Redskins wide receiver Brandon Banks (16) runs the ball down the Redskins sideline in the second half of the Tampa Bay Buccaneers at Washington Redskins preseason football game. (Craig Bisacre/The Washington Times)
Washington Redskins linebacker Chris Wilson (51) rushes Tampa Bay Buccaneers quarterback Brett Ratliff (7) in the first half of the Tampa Bay Buccaneers at Washington Redskins preseason football game. (Craig Bisacre/The Washington Times)
In this photo taken Friday, Aug. 3, 2012, North Carolina coach Larry Fedora, right, speaks with Tim Jackson during an NCAA college football practice in Chapel Hill, N.C. North Carolina finally has some certainty as it opens the season under new coach Larry Fedora _ including the knowledge that the Tar Heels won't play in a bowl game no matter how many games they win. (AP Photo/Gerry Broome)
