Auburn's Chuma Okeke grabs his leg after being injured on his way to the basket 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)

Duke coach Mike Krzyzewski, left, heads off the court after the team's NCAA men's college basketball tournament East Region semifinal against Virginia Tech in Washington, Friday, March 29, 2019. Duke won 75-73. (AP Photo/Alex Brandon)

Michigan State guard Cassius Winston (5) puts his arm around coach Tom Izzo following the team's 80-63 win over LSU in an NCAA men's college basketball tournament East Region semifinal in Washington, Friday, March 29, 2019. (AP Photo/Patrick Semansky)

CBS director Bob Fishman, left, talks with Duke head coach Mike Krzyzewski, and CBS' Tracy Wolfson during an NCAA men's college basketball practice in Washington, Thursday, March 28, 2019. Fishman is in his 28th year as lead director of CBS Sports NCAA Men's Basketball Championship and Final Four coverage. (AP Photo/Alex Brandon)

Auburn's Chuma Okeke yells out in pain after being injured 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)

Kentucky head coach John Calipari yells toward an official during the second half of a men's NCAA tournament college basketball Midwest Regional semifinal game against Houston Friday, March 29, 2019, in Kansas City, Mo. (AP Photo/Charlie Riedel)