The marquee NCAA Tournament matchups that could have been

FILE - In this Nov. 27, 2019, file photo, Dayton forward Obi Toppin (1) knocks the ball away from Kansas center Udoka Azubuike (35) during the first half of an NCAA college basketball game in Lahaina, Hawaii. Kansas and Dayton were headed toward earning No. 1 seeds in the NCAA tournament, so any meeting would have to be in the Final Four or national championship game. What a rematch it would be. The Jayhawks and Flyers played a high-level game at the Maui Invitational, won 90-84 in overtime by Kansas. (AP Photo/Marco Garcia, File)

FILE - In this Feb. 29, 2020, file photo, Seton Hall's Myles Powell hugs Marquette's Markus Howard (0) after an NCAA college basketball game in Milwaukee. Powell and Howard went head to head during the regular season in a pair of games befitting two of college basketball's most dynamic players. The potential for a third meeting washed away with the cancellation of the Big East tournament, then NCAA tournament. (AP Photo/Aaron Gash, File)