Indiana guard Kevin Ferrell (11) drives to the basket during the first half of an NCAA college basketball game against Northwestern in Evanston, Ill., Sunday, Jan. 20, 2013. (AP Photo/Nam Y. Huh)

Indiana forward Cody Zeller, right, shoots over Northwestern center Alex Olah during the first half of an NCAA college basketball game in Evanston, Ill., Sunday, Jan. 20, 2013. (AP Photo/Nam Y. Huh)

Indiana forward Christian Watford, center, shoots over Northwestern center Alex Olah, left, and forward Jared Swopshire during the first half of an NCAA college basketball game in Evanston, Ill., Sunday, Jan. 20, 2013. (AP Photo/Nam Y. Huh)

Indiana forward Will Sheehey (0) lays up the ball during the first half of an NCAA college basketball game against Northwestern in Evanston, Ill., Sunday, Jan. 20, 2013. (AP Photo/Nam Y. Huh)

Indiana guard Jordan Hulls, right, drives to the basket against Northwestern guard Dave Sobolewski during the first half of an NCAA college basketball game in Evanston, Ill., Sunday, Jan. 20, 2013. (AP Photo/Nam Y. Huh)

Northwestern forward Jared Swopshire (12) looks to a pass as Indiana forward Cody Zeller, left, and forward Christian Watford guard during the first half of an NCAA college basketball game in Evanston, Ill., Sunday, Jan. 20, 2013. (AP Photo/Nam Y. Huh)

Northwestern forward Jared Swopshire (12) reacts after missing a basket during the first half of an NCAA college basketball game against Indiana in Evanston, Ill., Sunday, Jan. 20, 2013. (AP Photo/Nam Y. Huh)

Northwestern guard Dave Sobolewski, right, listens to head coach Bill Carmody during the second half of an NCAA college basketball game against Indiana in Evanston, Ill., Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)

Indiana guard Victor Oladipo, front right, drives against Northwestern guard Alex Marcotullio during the second half of an NCAA college basketball game in Evanston, Ill., Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)

Indiana guard Jordan Hulls (1) drives as Northwestern guard Alex Marcotullio, left, applies pressure and guard Reggie Hearn, right, looks on during the second half of an NCAA college basketball game in Evanston, Ill., Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)

Indiana forward Christian Watford, left, controls the ball as Northwestern forward Jered Swopshire, center, and guard Reggie Hearn guard during the second half of an NCAA college basketball game in Evanston, Ill., on Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)

Indiana head coach Tom Crean yells his team during the second half of an NCAA college basketball game against Northwestern in Evanston, Ill., on Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)

Indiana guard Jordan Hulls, right, celebrates with Kevin Ferrell after scoring a basket during the second half of an NCAA college basketball game against Northwestern in Evanston, Ill., Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)

Northwestern head coach Bill Carmody reacts as he watches his team during the second half of an NCAA college basketball game against Indiana in Evanston, Ill., Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)

Indiana forward Cody Zeller, right, goes up for a shot against Northwestern forward Jared Swopshire during the second half of an NCAA college basketball game in Evanston, Ill., on Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)

Indiana forward Cody Zeller, left, battles a rebound with Northwestern guard Reggie Hearn during the first half of an NCAA college basketball game in Evanston, Ill., Sunday, Jan. 20, 2013. Indiana won won 67-59. (AP Photo/Nam Y. Huh)

Indiana forward Cody Zeller, right, fouls Northwestern guard Dave Sobolewski during the second half of an NCAA college basketball game in Evanston, Ill., Sunday, Jan. 20, 2013. Indiana won 67-59. (AP Photo/Nam Y. Huh)