Wisconsin running back Montee Ball (28) is tackled by Nebraska safety P.J. Smith (13) during the first half of the Big Ten championship NCAA college football game Saturday, Dec. 1, 2012, in Indianapolis. (AP Photo/Michael Conroy)

Photo by: Michael Conroy

Wisconsin running back Montee Ball (28) is tackled by Nebraska safety P.J. Smith (13) during the first half of the Big Ten championship NCAA college football game Saturday, Dec. 1, 2012, in Indianapolis. (AP Photo/Michael Conroy)