Northwestern's Drew Crawford dunks over Michigan's Evan Smotrycz during the first half of an NCAA college basketball game in Evanston, Ill., Tuesday, Feb. 21, 2012. (AP Photo/Paul Beaty)

Michigan's Jordan Morgan center, goes up for a rebound against Northwestern's Drew Crawford right, and Reggie Hearn left, during the first half of a NCAA basketball game in Evanston, Ill., Tuesday, Feb. 21, 2012. (AP Photo/Paul Beaty)

Northwestern's Reggie Hearn looks on during the final seconds of overtime in an NCAA basketball game against Michigan in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55. (AP Photo/Paul Beaty)

Northwestern's Davide Curletti, right, goes up for a rebound against Michigan's Zach Novak during overtime of an NCAA basketball game in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55. (AP Photo/Paul Beaty)

Northwestern's Reggie Hearn center, and Drew Crawford, left, cover their faces to not watch the final seconds of overtime of an NCAA college basketball game against Michigan in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55. (AP Photo/Paul Beaty)

Michigan head coach John Beilein yells to his players during the first half of a NCAA basketball game against Northwestern in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55 in overtime. (AP Photo/Paul Beaty)

Michigan head coach John Beilein along with the Michigan bench celebrate during overtime of an NCAA basketball game against Northwestern in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55. (AP Photo/Paul Beaty)

Michigan's Trey Burke, right, drives around Northwestern's JerShon Cobb, left, during the first half of an NCAA college basketball game in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55 in overtime. (AP Photo/Paul Beaty)

Northwestern head coach Bill Carmody yells to his players during the first half of aN NCAA college basketball game against Michigan in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55 in overtime. (AP Photo/Paul Beaty)

Michigan's Jordan Morgan, center right, battles Northwestern's Dave Sobolewski (3), Alex Marcotullio second from left, and Reggie Hearn, left, during the second half of an NCAA college basketball game in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55 in overtime. (AP Photo/Paul Beaty)

Northwestern's John Shurna, right, battles against Michigan's Jordan Morgan while driving to the basket during the second half of an NCAA college basketball game in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55 in overtime. (AP Photo/Paul Beaty)

Michigan's Trey Burke, right, goes up for a block against Northwestern's Dave Sobolewski during the second half of an NCAA college basketball game in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55 in overtime. (AP Photo/Paul Beaty)

Northwestern's Reggie Hearn center, and Drew Crawford, left, cover their faces to not watch the final seconds of overtime of an NCAA college basketball game against Michigan in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55. (AP Photo/Paul Beaty)

Michigan's Trey Burke, right, goes up for a block against Northwestern's Dave Sobolewski during the second half of an NCAA college basketball game in Evanston, Ill., Tuesday, Feb. 21, 2012. Michigan won 67-55 in overtime. (AP Photo/Paul Beaty)