Purdue guard Ryne Smith (24) keeps the ball away from St. Mary's guard Stephen Holt (14) during the first half of an NCAA college basketball tournament game in Omaha, Neb., Friday, March 16, 2012. (AP Photo/Orlin Wagner)

Purdue forward Sandi Marcius (55) handles the ball while covered by Saint Mary's forward Brad Waldow (00) during the first half of an NCAA college basketball tournament game at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. (AP Photo/Nati Harnik)

Saint Mary's forward Rob Jones (22) shoots over Purdue forward D.J. Byrd (21) during the first half of an NCAA college basketball tournament game at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. (AP Photo/Orlin Wagner)

Purdue's Lewis Jackson, right, grabs a loose ball against Saint Mary's Matthew Dellavedova in the first half of their NCAA tournament second-round college basketball game at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. (AP Photo/Nati Harnik)

Purdue's Terone Johnson struggles for a ball against Saint Mary's Mitchell Young, rear, in the first half of an NCAA tournament second-round college basketball game at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. (AP Photo/Nati Harnik)

Saint Mary's Matthew Dellavedova, center, passes the ball while defended by Purdue's Terone Johnson (0) amd Sandi Marcius (55) in the first half of their NCAA tournament second-round college basketball game at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. (AP Photo/Nati Harnik)

Saint Mary's Kenton Walker II, left, is consoled by teammate Kyle Rowley (5) after their NCAA tournament second-round college basketball game against Purdue at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. Purdue won 72-69. (AP Photo/Nati Harnik)

Purdue's Robbie Hummel (4) and Saint Mary's Mitchell Young (3) and Rob Jones (22) try to win a rebound in the second half of their NCAA tournament second-round college basketball game at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. Purdue won 72-69. (AP Photo/Nati Harnik)

Purdue coach Matt Painter signals his team during the second half of an NCAA college basketball tournament game against Saint Mary's at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. Purdue won 72-69. (AP Photo/Orlin Wagner)

Purdue guard Terone Johnson (0) charges into Saint Mary's guard Matthew Dellavedova (4) during the second half of an NCAA college basketball tournament game at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. Purdue 72-69. (AP Photo/Orlin Wagner)

Purdue guard Terone Johnson (0) celebrates at the end of an NCAA college basketball tournament game against Saint Mary's at CenturyLink Center in Omaha, Neb., Friday, March 16, 2012. Purdue won 72-69. (AP Photo/Orlin Wagner)