Northwestern's Jared Swopshire tries to block the shot of Butler's Roosevelt Jones (21) during the first half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston, Ill. (AP Photo/Jim Prisching)

Northwestern's Dave Sobolewski gets tangled up with Butler's Erik Fromm as he drives to the basket during the first half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston, Ill. (AP Photo/Jim Prisching)

Butler's Kellen Dunham (24) drives to the basket around Northwestern's Alex Olah during the first half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston, Ill. (AP Photo/Jim Prisching)

Butler's Rotnei Clarke, left, and Northwestern's Drew Crawford scramble for a loose ball during the second half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston, Ill. (AP Photo/Jim Prisching)

Butler's Roosevelt Jones (21) and Alex Barlow (3) defend as Northwestern's Alex Olah shoots the ball during the second half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston, Ill. (AP Photo/Jim Prisching)

Northwestern's Dave Sobolewski shoots as Butler's Kellen Dunham (24) defends during the second half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston, Ill. (AP Photo/Jim Prisching)

Northwestern's Dave Sobolewski launches a 3-point basket against Butler during the second half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston,Ill. Butler defeated Northwestern 74-65. (AP Photo/Jim Prisching)

Butler's Andrew Smith (44) points after scoring against Northwestern during the second half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston, Ill. Butler defeated Northwestern 74-65. (AP Photo/Jim Prisching)

Butler's Rotnei Clarke (15) and Northwestern's Reggie Hearn scramble for a loose ball during the second half of an NCAA college basketball game Saturday, Dec. 8, 2012, in Evanston, Ill. Butler defeated Northwestern 74-65. (AP Photo/Jim Prisching)