(Eds: Updates. With AP Photos.) By ERIC OLSON AP Sports Writer Justin Jackson had just one question for Nebraska's coaches when they asked him last winter if he would be willing to change positions for a third time.
''I asked them if I had an opportunity to play,'' he said.
Of course, they told him - if he earned it.
That's all he needed to hear. Jackson agreed to move from defensive tackle to center and competed against two more experienced players in spring practice and fall camp. He appears to have won out.
Coach Bo Pelini put Jackson on scholarship two weeks ago and said the fifth-year senior is the front-runner for the starter's job in Saturday's opener against Southern Mississippi.
''It would mean the world to me,'' Jackson said.
Jackson is the quintessential Nebraska walk-on. He grew up 20 minutes south of Memorial Stadium in Roca, Neb. He turned down scholarship offers from FCS and Division II programs to follow his dream...