Kentucky Wildcats forward Karl-Anthony Towns (12) dunks against Hampton in Louisville, KY, Thursday, March 19, 2015. 

Villanova guard Phil Booth (5) shoots over Lafayette guard Bryce Scott (14), Thursday, March 19, 2015, in Pittsburgh. 

Wisconsin forward Frank Kaminsky (44) scores against Coastal Carolina in Omaha, Neb., Friday, March 20, 2015.

Duke center Jahlil Okafor dunks against Robert Morris in Charlotte, N.C., Friday, March 20, 2015.

Arizona forward Stanley Johnson dunks against Texas Southern in Portland, Ore., Thursday, March 19, 2015. 

Kansas guard Frank Mason III (0) drives past New Mexico State forward Johnathon Wilkins (11) in Omaha, Neb., Friday, March 20, 2015.

Gonzaga forward Kyle Wiltjer (33) shoots over North Dakota State forward Dexter Werner (40) and guard A.J. Jacobson (21) in Seattle, Friday, March 20, 2015.

Virginia guard Justin Anderson drives to the basket against Belmont in Charlotte, N.C., Friday, March 20, 2015.

Notre Dame forward Zach Auguste (30) celebrates after making a foul shot with time running down in the second half against Northeastern, Thursday, March 19, 2015, in Pittsburgh.

The UAB bench cheers after guard Robert Brown hit a 3-pointer in the closing seconds of the second half against Iowa State in Louisville, Ky., Thursday, March 19, 2015.

Georgia State guard R.J. Hunter (22) shoots the game-winning shot in the final seconds over Baylor guard Lester Medford (11) in Jacksonville, Fla., Thrusday, March 19, 2015.  

Oklahoma guard Buddy Hield (24) shoots against Albany guard Ray Sanders (1) in Columbus, Ohio, Friday, March 20, 2015. 

North Carolina forward Justin Jackson (44) goes up for a dunk after getting past Harvard guard Wesley Saunders (23) and forward Steve Moundou-Missi (14), Thursday, March 19, 2015, in Jacksonville, Fla.

Georgetown guard D'Vauntes Smith-Rivera (4) shoots between Eastern Washington players in Portland, Ore., Thursday, March 19, 2015.

Louisville guards Wayne Blackshear (left) celebrates with Quentin Snider (2) after beating UC Irvine in Seattle, Friday, March 20, 2015.

Maryland guard Dez Wells (44) shoots against Valparaiso forward Jubril Adekoya in Columbus, Ohio Friday, March 20, 2015.

Utah guard Brandon Taylor (11) drives to the basket against Stephen F. Austin, Thursday, March 19, 2015, in Portland, Ore. 

Arkansas guard Rashad Madden (00) blocks a shot by Wofford forward Lee Skinner (34), Thursday, March 19, 2015, in Jacksonville, Fla. 

Northern Iowa guard Deon Mitchell (1) drives to the basket between Wyoming guard Riley Grabau (left) and forward Larry Nance Jr. (right) in Seattle, Friday, March 20, 2015.

West Virginia guard Juwan Staten celebrates after a win over Buffalo in Columbus, Ohio, Friday, March 20, 2015. 

Butler forwards Andrew Chrabascz (top) and Roosevelt Jones (21) celebrate at center court as time runs down against Texas, Thursday, March 19, 2015, in Pittsburgh.

UCLA and SMU players react to a goaltending call on SMU center Yanick Moreira (2) during the final seconds of the second half in Louisville, Ky., Thursday, March 19, 2015. 

Xavier center Matt Stainbrook (40) takes a shot over Ole Miss guard Terence Smith (3), Thursday, March 19, 2015, in Jacksonville, Fla. 

Dayton forward Dyshawn Pierre (21) shoots over Providence forward Ben Bentil (0) in Columbus, Ohio, Saturday, March 21, 2015.

Ohio State guard D'Angelo Russell (0) shoots as VCU guard Doug Brooks (5) watches, Thursday, March 19, 2015, in Portland, Ore.

Michigan State forward Branden Dawson (22) shoots over Georgia guard Kenny Gaines (12) and forward Marcus Thornton (2) in Charlotte, N.C., Friday, March 20, 2015.

Wichita State guard Fred VanVleet (23) drives to the basket against Indiana guard Stanford Robinson (22) in Omaha, Neb., Friday, March 20, 2015.

Iowa players react from the bench to a three-pointer against Davidson late in the second half in Seattle, Friday, March 20, 2015.

Cincinnati guard Troy Caupain (10) celebrates with forward Jermaine Sanders (right) after his game-tying basket against Purdue, forcing overtime, in Louisville, Ky., Thursday, March 19, 2015. 

NC State forward BeeJay Anya (21) shoots the game-winning buzzer beater against LSU Tigers in Pittsburgh, PA, Thursday, March 19, 2015. 

Oregon guard Joseph Young (3) dunks over Oklahoma State guard Anthony Hickey Jr. (12) in Omaha, Neb., Friday, March 20, 2015.

San Diego State forward Skylar Spencer (0) dunks against St. John's in Charlotte, N.C., Friday, March 20, 2015.