Last Updated on April 16, 2026 by Mat Diekhake

Here is the information on Dan O’Sullivan:

Player Profile

  • Full Name: Daniel James O’Sullivan
  • Nationality: American
  • Age: Born March 3, 1968 (56 years old as of 2024)
  • Hometown: The Bronx, New York City, New York, USA
  • Height: 6 feet 10 inches (2.08 meters)
  • Weight: 250 pounds (113 kg)
  • Wingspan: 6 feet 11 inches
  • Shoe Size: Size 17 (US)
  • Number: Wore #45 during his NBA career
  • Position: Power Forward / Center
  • High School: Archbishop Stepinac High School (White Plains, New York)
  • College: Fordham University (1986–1990)
  • NBA Draft: Undrafted in the 1990 NBA Draft
  • Teams Played For:
    • Played briefly in the NBA for the New Jersey Nets (1990–1991)
    • Milwaukee Bucks (1991–1992)
    • Detroit Pistons (1992)
    • Toronto Raptors (1996)
    • Played internationally and in the CBA (Continental Basketball Association)
  • Championship Rings: None
  • Kids: Information not publicly available
  • Siblings: Information not publicly available

Player Archetype / Play Style

Dan O’Sullivan’s player archetype was that of a traditional backup center: a big-bodied interior presence whose NBA role centered more on size, rebounding support, and paint occupation than on featured scoring. At 6-foot-10 and 250 pounds, he brought the physical traits of a classic low-post big, using his frame to battle around the rim, set hard screens, and give teams extra frontcourt depth. Defensively, his role was mostly as a positional interior defender who could absorb contact and protect space in the lane, while offensively he fit as a limited-use finisher and utility screener rather than a creator, with his professional profile built around hustle, strength, and short-range work. His overall play style was straightforward and functional: a rugged reserve center who helped with size and structure inside, even if his value came more from doing the dirty work than from putting up numbers. (Basketball Reference)

Sources:

Basketball Reference — Dan O’Sullivan
NBA.com — Dan O’Sullivan
RealGM — Dan O’Sullivan Player Profile, Toronto Raptors