Minnesota's Donnell Kirkwood (20) rushes against the UNLV defense during an NCAA college football game, Thursday, Aug. 30, 2012, in Las Vegas. (AP Photo/David Becker)

Minnesota quarterback MarQueis Gray (5) looks to run past UNLV's Dre Crawford (5) during the first half of an NCAA college football game, Thursday, Aug. 30, 2012, in Las Vegas. (AP Photo/David Becker)

UNLV quarterback Nick Sherry (3) is taken down by Minnesota's Ra'Shede Hageman (99) for a loss of yardage during their NCAA college football game, Thursday, Aug. 30, 2012, in Las Vegas. (AP Photo/David Becker)

Minnesota's Brock Vereen (21) runs past UNLV defenders Tani Maka (41) and Tim Hasson (43) for a touchdown during the second quarter of their NCAA college football game at Sam Boyd Stadium, Thursday, Aug. 30, 2012, in Las Vegas. (AP Photo/David Becker)

UNLV's quarterback Nick Sherry (3) scrambles during first half action at his NCAA college football game and Minnesota at Sam Boyd Stadium, Thursday, Aug. 30, 2012 in Las Vegas. (AP Photo/David Becker)

Minnesota's Brock Vereen (21) trots in for his first half touchdown against UNLV during his NCAA college football game at Sam Boyd Stadium, Thursday, Aug. 30, 2012 in Las Vegas. (AP Photo/David Becker)

UNLV's Devante Davis, left, makes a reception with Minnesota's Philip Nelson (9) covering during their NCAA college football game, Thursday, Aug. 30, 2012, in Las Vegas. (AP Photo/David Becker)

Minnestota's quarterback MarQueis Gray (5) looks for an open player during the first half action during his NCAA college football game against UNLV at Sam Boyd Stadium, Thursday, Aug. 30, 2012 in Las Vegas. (AP Photo/David Becker)

Minnesota's Devin Crawford-Tufts (80) tries to evade UNLV's Max Ehlert (53) during the second half of their NCAA college football game at Sam Boyd Stadium, Thursday, Aug. 30, 2012 in Las Vegas. (AP Photo/David Becker)

Minnesota's A.J. Barker (82) runs down field with UNLV's Kenneth Penny (17) in pursuit during their NCAA college football game at Sam Boyd Stadium, Thursday, Aug. 30, 2012 in Las Vegas. (AP Photo/David Becker)

Minnesota's Brock Vereen (21) makes an interception with UNLV's Devante Davis (81) covering during their NCAA college football game at Sam Boyd Stadium, Thursday, Aug. 30, 2012 in Las Vegas. (AP Photo/David Becker)

FILE - This Aug. 30, 2012 file photo shows Minnesota's quarterback MarQueis Gray (5) looking for an open receiver during the first half of a college football game against UNLV at Sam Boyd Stadium in Las Vegas. Minnesota coaches and players hailed Gray's improvement all summer long. But his debut against UNLV was a stinker. (AP Photo/David Becker, File)