Final Four field boasts tough defenses, veteran lineups

Virginia head coach Tony Bennett celebrates after defeating Purdue 80-75 in overtime of the men's NCAA Tournament college basketball South Regional final game, Saturday, March 30, 2019, in Louisville, Ky. (AP Photo/Michael Conroy)

Virginia's Jack Salt (33) celebrates with teammates Mamadi Diakite and Ty Jerome (11) as Purdue's Matt Haarms (32) watches after Diakite hit a shot to send the game to overtime of the men's NCAA Tournament college basketball South Regional final game, Saturday, March 30, 2019, in Louisville, Ky. (AP Photo/Michael Conroy)

Michigan State head coach Tom Izzo, center, celebrates with his team after an NCAA men's East Regional final college basketball game against Duke in Washington, Sunday, March 31, 2019. Michigan State won 68-67. (AP Photo/Alex Brandon)

Michigan State guard Cassius Winston, right, and forward Aaron Henry celebrate after an NCAA men's East Regional final college basketball game against Duke, Sunday, March 31, 2019, in Washington. (AP Photo/Patrick Semansky)

Texas Tech head coach Chris Beard celebrates after the team's win against Gonzaga during the West Regional final in the NCAA men's college basketball tournament Saturday, March 30, 2019, in Anaheim, Calif. Texas Tech won 75-69. (AP Photo/Marcio Jose Sanchez)

Auburn's Bryce Brown applauds during the second half of a men's NCAA tournament college basketball Midwest Regional semifinal game against North Carolina Friday, March 29, 2019, in Kansas City, Mo. (AP Photo/Charlie Riedel)

Auburn players celebrate with injured teammate Chuma Okeke, left, after the Midwest Regional final game against Kentucky in the NCAA men's College basketball tournament Sunday, March 31, 2019, in Kansas City, Mo. Auburn won 77-71 in overtime. (AP Photo/Charlie Riedel)

Texas Tech guard Jarrett Culver, right, shoots over Gonzaga forward Rui Hachimura during the second half of the West Regional final in the NCAA men's college basketball tournament Saturday, March 30, 2019, in Anaheim, Calif. (AP Photo/Jae C. Hong)