Duke head coach Joanne P. McCallie signals from the sidelines during the first half of an NCAA college basketball game against Michigan at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Michigan guard Nya Jordan (21) drives on Duke guard Haley Peters (33) during the first half of an NCAA college basketball game at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Duke center Elizabeth Williams (1) reaches in and fouls Michigan guard Nya Jordan (21) during the first half of an NCAA college basketball game at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Michigan head coach Kim Barnes Arico, right, talks with guard Madison Ristovski (5) during the first half of an NCAA college basketball game against Duke at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Michigan guard Kate Thompson, right, and Duke guard Chelsea Gray, left, battle for the ball during the first half of an NCAA college basketball game at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Michigan guard Nya Jordan. right,is tripped by Duke guard Haley Peters (33) during the first half of an NCAA college basketball game at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Duke guard Tricia Liston, right, and Michigan guard Jenny Ryan battle for the ball during the second half of an NCAA college basketball game at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Duke guard Chelsea Gray (12) prepares to shoot while defended by Michigan guard Jenny Ryan (24) during the second half of an NCAA college basketball game at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Duke center Allison Vernerey, foreground, throws the ball back to teammate center Elizabeth Williams (1) during the second half of an NCAA college basketball game against Michigan at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Michigan guard Jenny Ryan, right, reaches for a loose ball behind Duke guard Alexis Jones (2) during the second half of an NCAA college basketball game at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)

Duke guard Alexis Jones (2) shoots between Michigan guard Jenny Ryan, left, and guard Madison Ristovski (5) during the second half of an NCAA college basketball game at Crisler Arena in Ann Arbor, Mich., Wednesday, Nov. 28, 2012. (AP Photo/Carlos Osorio)