Northern Iowa's Jake Koch, left, defends Creighton's Doug McDermott in the first half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. (AP Photo/Nati Harnik)

Northern Iowa's Anthony James, bottom, and Creighton's Doug McDermott scramble for a loose ball in the first half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. (AP Photo/Nati Harnik)

Northern Iowa's Deon Mitchell goes for a basket against Creighton's Doug McDermott, rear left and Ethan Wragge (34) during the first half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. (AP Photo/Nati Harnik)

Northern Iowa's Seth Tuttle, left, and Creighton's Gregory Echenique compete for a rebound in the first half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. (AP Photo/Nati Harnik)

Northern Iowa's Anthony James keeps the ball from Creighton's Jahenns Manigat in the first half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. (AP Photo/Nati Harnik)

Northern Iowa's Anthony James, left, bumps against teammate Seth Tuttle while driving to the basket as Creighton's Avery Dingman, hidden rear, and Ethan Wragge defend during the first half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. (AP Photo/Nati Harnik)

Northern Iowa's Marc Sonnen struggles for a loose ball against Creighton's Grant Gibbs, left, and Jahenns Manigat during the second half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. (AP Photo/Nati Harnik)

Creighton coach Greg McDermott, left, talks to his son Doug McDermott in the second half of an NCAA college basketball game against Northern Iowa, in Omaha, Neb., Tuesday, Jan. 15, 2013. Creighton won 79-68. (AP Photo/Nati Harnik)

Creighton's Gregory Echenique (00) shoots over Northern Iowa's Seth Tuttle in the second half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. Creighton won 79-68. (AP Photo/Nati Harnik)

Creighton's Doug McDermott (3) drives around Northern Iowa's Chip Rank (4) and Marc Sonnen, right, in the second half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. Creighton won 79-68. (AP Photo/Nati Harnik)

Northern Iowa's Anthony James guards Creighton's Austin Chatman (1) in the second half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. Creighton won 79-68. (AP Photo/Nati Harnik)

Northern Iowa's Anthony James leaps over Creighton's Avery Dingman as they chase a loose ball in the second half of an NCAA college basketball game in Omaha, Neb., Tuesday, Jan. 15, 2013. Creighton won 79-68. (AP Photo/Nati Harnik)