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Xavier's Sean O'Mara (54) dunks past Arizona center Dusan Ristic (14) during the second half of an NCAA Tournament college basketball regional semifinal game Thursday, March 23, 2017, in San Jose, Calif.

Oregon forward Dillon Brooks (24) tries to steal the ball from Michigan forward D.J. Wilson, right, during the second half of a regional semifinal of the NCAA men's college basketball tournament, Thursday, March 23, 2017, in Kansas City, Mo.

Silas Melson #0 of the Gonzaga Bulldogs attempts a shot defended by Tarik Phillip #12 of the West Virginia Mountaineers during the 2017 NCAA Men's Basketball Tournament West Regional at SAP Center on March 23, 2017 in San Jose, California.

Kansas guard Josh Jackson tries to steal the ball from Purdue forward Vince Edwards (12) during the second half of a regional semifinal of the NCAA men's college basketball tournament, Thursday, March 23, 2017, in Kansas City, Mo. (AP Photo/Orlin Wagner)

Lagerald Vick #2 of the Kansas Jayhawks dunks the ball in the second half against the Purdue Boilermakers during the 2017 NCAA Men's Basketball Tournament Midwest Regional at Sprint Center on March 23, 2017 in Kansas City, Missouri.

Gonzaga guard Josh Perkins (13) grabs a rebound next to West Virginia guard Teyvon Myers during the second half of an NCAA Tournament college basketball regional semifinal game Thursday, March 23, 2017, in San Jose, Calif.

Arizona guard Kobi Simmons, center, drives past Xavier forward Tyrique Jones, right, as Trevon Bluiett (5) watches during the first half of an NCAA Tournament college basketball regional semifinal game Thursday, March 23, 2017, in San Jose, Calif.

Kansas guard Frank Mason III passes around Purdue center Isaac Haas during the first half of a regional semifinal of the NCAA men's college basketball tournament, Thursday, March 23, 2017, in Kansas City, Mo.

Michigan forward Moritz Wagner (13) fights for a rebound with Oregon forward Jordan Bell during the first half of a regional semifinal of the NCAA men's college basketball tournament, Thursday, March 23, 2017, in Kansas City, Mo.

Daxter Miles Jr. #4 of the West Virginia Mountaineers attempts a shot against the Gonzaga Bulldogs during the 2017 NCAA Men's Basketball Tournament West Regional at SAP Center on March 23, 2017 in San Jose, California.