Michigan is down to one unanswered roster decision after Quinn Costello reaffirmed his commitment, giving the Wolverines another important piece for next season.
Costello, a top-25 recruit and the No. 23 overall player in the 2026 class according to Rivals, told @Rivals he is staying with Michigan despite Dusty May’s departure. The 6-foot-10 power forward from The Newman School in Boston had originally picked the Wolverines over Michigan State, Purdue and others when he committed last September.
The freshman forward was part of Michigan’s six-man class, though four of those signees were already locked in during the early signing day period back in November. Costello was one of the bigger names in that group behind five-star Brandon McCoy Jr., and Michigan still views him as a player with real upside.
"Quinn brings versatility and motor," Dusty May said back in November. "He's a big who runs the floor hard, rebounds outside his area, and embraces contact.
He has a great touch and an instinct for positioning -- both offensively and defensively. He's continued to add strength and confidence in his perimeter game, and we see real potential for growth there.
"His energy and competitiveness lift everyone around him. Quinn's also a connector -- he's humble, hard-working and fully invested in the team. He'll be a guy who earns respect the moment he steps on campus."
Costello’s path to minutes looks pretty clear. Michigan lost Yaxel Lendeborg, Morez Johnson Jr., Aday Mara and Will Tschetter from the front court, then added three transfer big men to fill the void.
J.P. Estrella and Moustapha Thiam are expected to start, while Jalen Reed is set to come off the bench once he’s fully healthy.
Even with that influx, Costello should have a chance to play early. He can handle either frontcourt spot, and with Reed not expected to be ready right away and Oscar Goodman able to get some run at the 5, there’s room for Costello to carve out a role. As Rivals’ No. 23 prospect, he’s going to want to get on the floor quickly, and Michigan has minutes available.
The only remaining unresolved situation is rising junior L.J. Cason, who has yet to announce his plans. Cason arrived at Michigan largely because of Dusty May, but it would be a surprise if he moved on.
He’s recovering from a torn ACL and likely wouldn’t be back until late in the season. Under the new 5-for-5 rule, Cason could still return late and keep five total years of college eligibility. Before the injury, he was arguably the best backup point guard in the country.
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