Michigan
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Scout Report
When a 6-10 power forward moves like he's three inches shorter and plays with the basketball IQ of a seasoned college veteran, coaches take notice. The Newman School's practice gym has become a regular stop for major college programs this season, and there's one primary reason why.
Background
Quinn Costello hails from Boston, where basketball runs deep in the family bloodlines. Growing up around The Newman School's program, he's been immersed in high-level basketball culture from an early age. The family's athletic connections have provided him with both guidance and expectations that he's exceeded at every level. Playing for one of New England's premier prep programs has accelerated his development against elite competition daily.
Playing Style
Costello plays the game with a cerebral approach that belies his age, reading defensive rotations and making quick decisions in traffic. His tempo is controlled but aggressive - he doesn't rush possessions but capitalizes when opportunities present themselves. Defensively, he uses his length and positioning to alter shots without hunting for blocks, understanding that staying disciplined is more valuable than highlight plays. He affects winning through consistent execution rather than explosive moments. The way he communicates on defense and finds teammates in transition shows a player who sees the game two steps ahead. His court vision from the forward spot creates mismatches that coaches love to exploit.
Strengths
His combination of size and basketball IQ creates problems for opposing coaches who struggle to find similar matchups. Costello has developed a reliable mid-range game that extends beyond the three-point line, forcing defenders to respect his shooting range. His passing ability from the forward position is exceptional - he finds cutters and makes cross-court reads that most big men simply don't see. What separates him is his understanding of spacing and timing, knowing exactly when to post up, when to step out, and when to facilitate for others.
Areas to Watch
Adding more explosive athleticism to his frame would unlock another gear in his game, particularly in transition and around the rim. His handle in traffic needs refinement to maximize his ability to create off the dribble against quicker defenders. Developing a more consistent low-post repertoire would give him another dimension when teams try to take away his perimeter game.
Player Comparison
There are shades of Duncan Robinson's shooting stroke and court awareness, but in a much bigger frame that can handle physical play inside. Like Robinson, he impacts winning through intelligent positioning and timely shot-making rather than raw athleticism. The comparison works because both players maximize their skill set through preparation and basketball IQ rather than relying on pure physical tools.
Recruitment
With 28 Division I offers already on the table, Costello committed to Michigan over a loaded field that included Purdue, Michigan State, and Florida State. The Wolverines beat out some serious competition for his services, particularly impressive given the caliber of programs pursuing him. His early commitment gives Michigan a cornerstone piece for their 2026 class and allows him to focus on development rather than recruitment. Playing alongside other highly-ranked teammates at Newman has only enhanced his profile with college coaches.
Projection
At the college level, Costello projects as a versatile forward who can play multiple positions and contribute immediately through his basketball IQ and shooting ability. His ceiling is a four-year starter who becomes a program cornerstone, with the potential for professional basketball if he continues developing his athleticism. The floor is still very high - his skill set and understanding of the game translate to any level of basketball.
Updated Apr 23, 2026 · Analysis by PrepRadar Scouting Team
Career Journey
Michigan
COLLEGE
The Newman School
PREP SCHOOL
Expressions Elite
AAU
Career Highlights
Quinn Costello named McDonald's All-American
Offers
28
Michigan
Committed
Chose Michigan over 27 other offers
Purdue
Minnesota
Michigan State
Boston College
Florida StateOffers sourced from 247Sports and social media monitoring.
Highlights
Social Activity
In a New York vs Boston preseason matchup, we saw LuHi narrowly take down The Newman School which was a hotly contested at The Preview 🫣 The game featured Michigan commit Quinn Costello and top-ranked PG Jamaal McKnight 🌟 @Eleve11Hoops @quinncostello3 @jamaalmcknight3 https://t.co/4EHHwPNrOd
4⭐️ Michigan commit Quinn Costello is one of the fastest rising recruits in the country 👀 @quinncostello3 https://t.co/1IBoiXklGh
Magic 17u UAA finish ranked #14 in the 🇺🇸! A 28-6 record (16-4 UAA) led to a top 25 ranking from THE CIRCUIT for the 5th straight year! In 4 years the Magic are 62-15 17u UAA play! Excited for another BIG year in 2026! #MagicFamily #MagicDNA #UAA #TheCircuit #UnderArmour https://t.co/BLc0BWMk2v
Signed. Sealed. Built for the Maize & Blue Quinn Costello. Joseph Hartman. Marcus Moller. Malachi Brown. The next generation is here. #GoBlue | https://t.co/ZFzW97bBNu https://t.co/cKGbgWhpyI