Delaware State forward Marques Oliver (32) is forced to pass the ball under pressure from Northwestern's Alex Olah (22) and Dave Sobolewski during the first half of an NCAA college basketball game, Tuesday, Nov. 20, 2012, in Evanston, Ill. (AP Photo/Charles Rex Arbogast)

Delaware State guard Tahj Tate (11) shoots over Northwestern's Drew Crawford during the first half of an NCAA college basketball game, Tuesday, Nov. 20, 2012, in Evanston, Ill. (AP Photo/Charles Rex Arbogast)

Northwestern guard Reggie Hearn, left, blocks the shot of Delaware State forward Tyshawn Bell, as Northwestern's Drew Crawford watches during the first half of an NCAA college basketball game, Tuesday, Nov. 20, 2012, in Evanston, Ill. (AP Photo/Charles Rex Arbogast)

Northwestern's Drew Crawford (1) tries to block out Delaware State forward Tyshawn Bell during the first half of an NCAA college basketball game, Tuesday, Nov. 20, 2012, in Evanston, Ill. (AP Photo/Charles Rex Arbogast)

Northwestern forward Drew Crawford (1) battles Delaware State guard Casey Walker for a loose ball during the second half of an NCAA college basketball game, Tuesday, Nov. 20, 2012, in Evanston, Ill. Northwestern won 69-50. (AP Photo/Charles Rex Arbogast)

Delaware State guard Amere May, center, loses control of the ball to Northwestern guard Dave Sobolewski (3) and guard Alex Marcotullio during the second half of an NCAA college basketball game, Tuesday, Nov. 20, 2012, in Evanston, Ill. Northwestern won 69-50. (AP Photo/Charles Rex Arbogast)

Northwestern head coach Bill Carmody, right, talks to guard Dave Sobolewski during the second half of an NCAA college basketball game against Delaware State, Tuesday, Nov. 20, 2012, in Evanston, Ill. Northwestern won 69-50. (AP Photo/Charles Rex Arbogast)

Delaware State head coach Greg Jackson directs his team during the second half of an NCAA college basketball game against Northwestern, Tuesday, Nov. 20, 2012, in Evanston, Ill. Northwestern won 69-50. (AP Photo/Charles Rex Arbogast)

Northwestern guard Dave Sobolewski (3) shoots over Delaware State guard Chris Lewis during the second half of an NCAA college basketball game, Tuesday, Nov. 20, 2012, in Evanston, Ill. Northwestern won 69-50. (AP Photo/Charles Rex Arbogast)