Omar Manning
FILE - In this Sept. 28, 2019, file photo, Nebraska quarterback Adrian Martinez (2) throws a pass during the first half of an NCAA college football game against Ohio State, in Lincoln, Neb. Adrian Martinez will be a rare four-year starting quarterback at Nebraska this fall and yet, for all his experience, he's one of the team's biggest mysteries. (AP Photo/Nati Harnik, File)
Nebraska counting on sharper Martinez in 'prove it' season

By Eric Olson Apr. 29, 2021 02:24 AM EDT