Georgetown head coach Patrick Ewing yells to his team as they plays against against Colorado in the first half of a first-round game in the NCAA men's college basketball tournament at Hinkle Fieldhouse in Indianapolis, Saturday, March 20, 2021. (AP Photo/Michael Conroy)

Alabama forward Herbert Jones (1) waves to fans as he leaves the court following a first-round game against Iona in the NCAA men's college basketball tournament at Hinkle Fieldhouse in Indianapolis, Saturday, March 20, 2021. Alabama defeated Iona 68-55. (AP Photo/Michael Conroy)

Alabama forward Herbert Jones (1) celebrates in the second half of a first-round game against Iona in the NCAA men's college basketball tournament at Hinkle Fieldhouse in Indianapolis, Saturday, March 20, 2021. Alabama defeated Iona 68-55. (AP Photo/Michael Conroy)

Iona head coach Rick Pitino gestures as his team plays against Alabama in the first half of a first-round game in the NCAA men's college basketball tournament at Hinkle Fieldhouse in Indianapolis, Saturday, March 20, 2021. (AP Photo/Michael Conroy)

Colorado forward Evan Battey (21) celebrates on the bench in the second half of a first-round game against Georgetown in the NCAA men's college basketball tournament at Hinkle Fieldhouse in Indianapolis, Saturday, March 20, 2021. Colorado defeated Georgetown 96-73. (AP Photo/Michael Conroy)

Colorado forward Jabari Walker (12) celebrates a three-point basket against Georgetown in the first half of a first-round game in the NCAA men's college basketball tournament at Hinkle Fieldhouse in Indianapolis, Saturday, March 20, 2021. (AP Photo/Michael Conroy)

Michigan head coach Juwan Howard questions a call during the second half of a first-round game against Texas Southern in the NCAA men's college basketball tournament, Saturday, March 20, 2021, at Mackey Arena in West Lafayette, Ind. (AP Photo/Robert Franklin)