Michigan basketball has gotten a big commitment from one of its final players still deciding about where to play in 2026-27 after Dusty May’s departure.
Quinn Costello, a McDonald’s All-American incoming freshman from Newman, Massachusetts (The Newman School), shared on his social media that he has reaffirmed his commitment to the Wolverines and will stay at U-M despite the departure of May.
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Costello, who ranked the No. 32 player in the nation and the No. 6 power forward in the country, per 247Sports’ composite rankings, was a major part of U-M’s elite freshman recruiting class. Michigan will now bring in all six freshmen who originally committed to U-M, which made it the No. 1 class in the Big Ten and No. 4 crop in the country.
Four-star class of 2026 power forward commit Quinn Costello attended Michigan’s rout of USC at Crisler Center in Ann Arbor on Friday, Jan. 2, 2026. It was his third trip to Ann Arbor but first for a game.
“It’s been awesome to watch,” Costello said in a conversation with the Free Press in January of U-M’s start to the year. “To see what they’ve been able to accomplish, the teams they’re blowing out. … Looks like they’re having a ton of fun out there and I’m excited to be a part of it.”
Interim coach Mike Boynton Jr. and company have been perfect to this point, as all 13 players who have made a decision about the upcoming season have chosen to stay in Ann Arbor.
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It’s been a concerted effort by the players to stick together, graduate forward Harrison Hochberg recently said.
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“We all believed Sunday night, when we went to bed when coach May was still the coach, that we could win the national championship,” Hochberg said on a podcast with Hail Media. “We are all going to go to bed Monday night, Tuesday night, Wednesday, Thursday believing the same thing … If the guys in the locker room don’t change, we are going to be good and I think everyone started believing that.”
The last remaining potential piece is L.J. Cason, a junior point guard who was originally committed to May at Florida Atlantic in 2024, before he followed May to Ann Arbor after he took the job.
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Cason tore his ACL last February and is expected to miss the majority of this next season, but could return some time in the back half of the year after a potential change to NCAA eligibility rules.
Tony Garcia is the Michigan beat writer for the Detroit Free Press. Email him at apgarcia@freepress.com and follow him on X at @RealTonyGarcia.
This article originally appeared on Detroit Free Press: Michigan basketball signee Quinn Costello says he’s sticking with commitment
