Oklahoma State grabbed commits from Gerald Green and Terrel Harris from Texas, while Missouri and USC also picked up pledges.
Louisville and Rick Pitino landed three top players over the weekend.
The Sooners picked up a guard transfer from UC-Riverside, while Xavier signed a super guard/forward prospect.
Top 100 prospect Malik Hairston will announce his decision Wednesday, while Chester Giles and Alex Galindo are considering their options.
Top 100 guard prospects Sebastian Telfair and Shaun Livingston are still undecided about college or the NBA draft.
While Louisville is making alternate plans should Sebastian Telfair opt for the NBA, Indiana inked another top player.
Michigan State freshman Brandon Cotton might transfer, while Xavier and Oklahoma will each pick up a transfer.
Indiana picked up its fifth top 100 pledge with the commit of guard A.J. Ratliff, while Minnesota also snagged a top prospect.
Glen Davis, one of the nation's top forward/centers, decided to stay home and committed to the LSU Tigers.
Forward Lorenzo Mata has pledged to the UCLA Bruins, while Xavier also received a commit from a forward.