QuinnCostello
Boston, MAThe Newman School
The Journey
Class of 2026
Michigan Wolverines
SIGNED
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Rivals Network · Premium Coverage
Michigan basketball summer workouts: A young player who is even better (and taller?) than expected
McDonald's All-American Quinn Costello staying at Michigan despite Dusty May departure
Exclusive: What 'positionless' Michigan forward Quinn Costello has been working on, his scouting report on Brandon McCoy
Latest News
Rivals Network · Premium Coverage
Michigan basketball summer workouts: A young player who is even better (and taller?) than expected
McDonald's All-American Quinn Costello staying at Michigan despite Dusty May departure
Exclusive: What 'positionless' Michigan forward Quinn Costello has been working on, his scouting report on Brandon McCoy
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