Mount St. Mary's forwards Nana Opoku (22), left, and Frantisek Barton (24) battle for a rebound with Texas Southern guard Michael Weathers (20) during the first half of a First Four game in the NCAA men's college basketball tournament, Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Texas Southern head coach Johnny Jones watches the action on the court during the first half of a First Four game against Mount St. Mary's in the NCAA men's college basketball tournament, Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Mount St. Mary's coach Dan Engelstad reacts to the action on the court during the first half of a First Four game against Texas Southern in the NCAA men's college basketball tournament Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Mount St. Mary's forward Nana Opoku (22) shoots while being defended by Texas Southern forward John Walker III, left, and guard Michael Weathers (20) during the second half of a First Four game in the NCAA men's college basketball tournament Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Texas Southern forward John Walker III (24) grabs a rebound next to Mount St. Mary's forward Malik Jefferson (42) during the second half of a First Four game in the NCAA men's college basketball tournament Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

A worker cleans the backboard and rim on the court during halftime of a First Four game between Texas Southern and Mount St. Mary's in the NCAA men's college basketball tournament Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Texas Southern guard Michael Weathers (20) reacts to a referee after being called for a foul during the second half of the team's First Four game against Mount St. Mary's in the NCAA men's college basketball tournament Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Texas Southern coach Johnny Jones reacts during the second half of the team's First Four game against Mount St. Mary's in the NCAA men's college basketball tournament, Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Texas Southern guard Michael Weathers (20) drives the ball into the defense of Mount St. Mary's guard Damian Chong Qui (15) during the second half of a First Four game in the NCAA men's college basketball tournament Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Texas Southern forward John Walker III (24) passes the ball off to a teammate after being stopped en route to the basket by Mount St. Mary's forward Nana Opoku (22) during the second half of a First Four game in the NCAA men's college basketball tournament Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Texas Southern players celebrate after defeating Mount St. Mary's in a First Four game in the NCAA men's college basketball tournament, Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)

Texas Southern players on the bench react as time expires in the team's First Four game against Mount St. Mary's in the NCAA men's college basketball tournament Thursday, March 18, 2021, in Bloomington, Ind. (AP Photo/Doug McSchooler)