Quinn Costello

Quinn Costello
No. 8 – Michigan Wolverines
PositionPower forward
ConferenceBig Ten Conference
Personal information
Born (2007-07-08) July 8, 2007
Listed height6 ft 10 in (2.08 m)
Listed weight195 lb (88 kg)
Career information
High schoolThe Newman School
(Boston, Massachusetts)
CollegeMichigan (2026–present)
Career highlights

Quinn Costello (born July 8, 2007) is an American college basketball player for the Michigan Wolverines of the Big Ten Conference. He was a McDonald's All-American in 2026 as a senior in high school.

High school career

Costello attended The Newman School in Boston, and played for the Middlesex Magic on the Under Armour Association circuit.[1] During his senior year, he averaged 16.4 points and 8.1 rebounds per game midseason.[2] On November 15, 2025, he scored 17 points and 15 rebounds for his first double-double of the season.[3] On November 22, 2025, he scored a career-high 36 points at the National Prep Showcase.[4][5]

On February 2, 2026 he was named to the 2026 McDonald's All-American Boys Game. He and future teammate Brandon McCoy Jr. were representatives of Michigan's 2026 freshman class.[6] In 15 minutes, Costello recorded seven points, three rebounds and two steals in the game.[7] Costello was also selected to participate in the Jordan Brand Classic All-Star Game.[8]

Recruitment

On September 16, 2025, Costello committed to play college basketball for Michigan, over offers from Michigan State, Minnesota, North Carolina, Purdue and Texas.[9][10] He was rated as the No. 1 player in the state of Massachusetts by 247Sports, Rivals and ESPN.[11][12] Costello was ranked as a top player in the nation, finishing #31 by ESPN and #24 by Rivals.[13][14]

College career

In November 2025, Costello signed to play college basketball at the University of Michigan for Dusty May and the Wolverines in 2026–27.[15] After May departed to coach the Dallas Mavericks in June 2026, Costello remained with the program under newly promoted head coach, Mike Boynton.[16]

References

  1. ↑ Garcia, Tony (January 5, 2026). "Michigan basketball top signee Quinn Costello 'excited' by U-M run". Detroit Free Press. Retrieved February 3, 2026.
  2. ↑ Fuller, Ethann (February 2, 2026). "Newman's Quinn Costello earns McDonald's All-American honor". basketballjournal.com. Retrieved February 3, 2026.
  3. ↑ "Basketball Recap: Newman AAA Starts Season with Win at Home". MaxPreps. November 15, 2025. Retrieved February 3, 2026.
  4. ↑ "Basketball Recap: Newman AAA Sets Scoring Season-High Against Varsity Opponent". MaxPreps. November 22, 2025. Retrieved February 3, 2026.
  5. ↑ Flinn, Brian (November 23, 2025). "2025 National Prep Showcase Saturday Fastbreak Five". madehoops.com. Retrieved February 3, 2026.
  6. ↑ "Two future Spartans, one future Wolverine named McDonald's All-Americans". The Detroit News. February 2, 2026. Retrieved February 3, 2026.
  7. ↑ Butler, Jack (April 1, 2026). "McDonald's All-American Game 2026 Boys Top Performers, Box Score". Sports Illustrated. Retrieved April 1, 2026.
  8. ↑ "Jordan Classic Stats". realgm.com. Retrieved April 23, 2026.
  9. ↑ London, Dushawn (September 16, 2025). "Michigan lands four-star forward Quinn Costello". 247sports.com. Retrieved February 3, 2026.
  10. ↑ Hewitt, Steve (September 16, 2025). "Quinn Costello, 4-star national prospect, commits to Michigan". basketballjournal.com. Retrieved February 3, 2026.
  11. ↑ Garcia, Tony (September 16, 2025). "Quinn Costello, 4-star forward, commits to Michigan basketball over Michigan State". Detroit Free Press. Retrieved February 3, 2026.
  12. ↑ Martinez, Raul (January 19, 2026). "This Boston prep school has become a major powerhouse in basketball". NBC10 Boston. Retrieved February 3, 2026.
  13. ↑ "Quinn Costello Recruiting Profile". ESPN.
  14. ↑ "2026 Michigan Wolverines Basketball Industry Comparison Commits". On3.com.
  15. ↑ Wywrot, Tom (November 14, 2025). "Wolverines Add Four During Early Signing Period". MGoBlue.com. Retrieved April 7, 2026.
  16. ↑ Zuniga, Alejandro (July 9, 2026). "Michigan basketball retaining entire elite incoming class despite Dusty May's departure". 247Sports.