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Nati Harnik, AP
BYU quarterback Tanner Mangum (12) runs away from Nebraska linebacker Luke Gifford (12) during the second half of an NCAA college football game in Lincoln, Neb., Saturday, Sept. 5, 2015. Brigham Young won 33-28. (AP Photo/Nati Harnik)

BYU quarterback Tanner Mangum’s Hail Mary pass against Nebraska brought to mind Jim McMahon’s 1980 Holiday Bowl heave to Clay Brown.

Insiders say success hasn’t gone to Mangum’s head, though he did have to be talked out of attending practice with a Mohawk, sunglasses and a headband that said “Rozelle.”

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