Breaking down the offseason for Michigan, Arizona, UConn, Illinois, Duke - ESPN

The NCAA tournament ended just eight days ago — and in that time, the entire college basketball landscape has changed. More than 2,000 players are in the transfer portal, and a flurry of commitments over the weekend has jump-started the roster-building process for plenty of teams.

Some are further ahead than others, and that also applies to the four teams that were playing in Indianapolis just more than a week ago.

Michigan, UConn, Arizona and Illinois have all lost players to the transfer portal since the season ended, and three of those programs have already added replacements.

How are each of the national semifinalists — and one team that came heartbreakingly close — faring in their quests to rebuild and get back to the Final Four?

All information as of April 14

Players leaving: Starters Yaxel Lendeborg and Nimari Burnett are both out of eligibility, as are Roddy Gayle Jr. and Will Tschetter. End-of-bench players Winters Grady and Malick Kordel entered the portal. L.J. Cason and incoming freshman Lincoln Cosby are likely to redshirt as they recover from injuries.

Players staying or coming in: The reigning national champions began their reload during halftime of their Final Four win over Arizona, when five-star guard Brandon McCoy Jr. announced his commitment. Dusty May then made quick work in the portal, landing a commitment from Tennessee transfer J.P. Estrella a couple of days after the title game. In addition to McCoy, Michigan is also bringing in ESPN 100 recruits Quinn Costello and Joseph Hartman. The Wolverines also agreed to deals to keep guards Elliot Cadeau and Trey McKenney in Ann Arbor.

Players in limbo: Much of Michigan's frontcourt work will depend on the NBA draft decisions of Morez Johnson Jr. and Aday