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.

Brock Harding made a go-ahead jumper in the key with 48 seconds left and then hit five free throws in the final 13 seconds for TCU, which rallied to stun No. 10 Florida 84-80 in the first game of the Rady Children’s Invitational.