Xavier Edmonds converted a layup to beat the shot clock with 4.3 seconds left, and No. 9 seed TCU held off a furious second-half rally by eighth-seeded Ohio State for a 66-64 victory to open the first round of the NCAA Tournament.

Duke enters the NCAA Tournament as the No. 1 overall seed and looking to avenge a missed opportunity from a year ago.

Emanuel Miller’s layup with six seconds left gave TCU a 68-67 victory over No. 2 Houston on Saturday, the Cougars’ second straight loss.

Adam Flagler rallied No. 1 Baylor with 18 of his 22 points in the second half, and the Bears extended their national-best winning streak to 21 games with a 76-64 victory over TCU.

___George Washington’s men’s basketball team is postponing two upcoming Atlantic 10 games after head coach Jamion Christian tested positive for COVID-19. ___The Kennesaw State women’s volleyball team called off the first two games of its spring season because of positive COVID-19 tests. The league says the postponement is because of a combination of positive COVID-19 tests, contact tracing and subsequent quarantining inside the Vanderbilt program. ___Rutgers women’s basketball has postponed home games on Thursday against Penn State and Sunday against Iowa. Rutgers has not announced any recent positive tests, but it cannot play because of protocols outlining a return to competition after positive COVID-19 tests among Tier 1 individuals.