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AP FILE - This Sept. 8, 2012, file photo shows Brigham Young quarterback Riley Nelson looking on from the sidelines in the first half of an NCAA college - Photo

FILE - This Sept. 8, 2012, file photo shows Brigham Young quarterback Riley Nelson looking on from the sidelines in the first half of an NCAA college

Tuesday September 25, 11:13 PM
FILE - This Sept. 8, 2012, file photo shows Brigham Young quarterback Riley Nelson looking on from the sidelines in the first half of an NCAA college football game against Weber State, in Provo, Utah. After raving about the past success of BYU senior quarterbacks, the Cougars very well could start a freshman against a Norm Chow-coached Hawaii team Friday night in Provo. Senior Riley Nelson acknowledged the pain of an unspecified back injury has been problematic both mentally and physically in stinging back-to-back losses to Utah and No. 24 Boise State.(AP Photo/Rick Bowmer, File)