Dunbar played basketball for Central Michigan University[1] and was the Mid-American Conference third leading scorer as a freshman.
[2] He was plagued by injuries during his stay at Central Michigan, missing all but 11 games of his sophomore season due to two knee surgeries.
[9] He returned to the court a month later, scoring 20 points in ÍS 99–73 victory against Ármann in the top-tier 1. deild karla.
[16] On 30 October, Dunbar suffered injury on his left knee in a game against ÍR[17] and went back to Michigan for surgery.
[19] In January 1979, Dunbar left ÍS to undergo a season ending surgery on his troublesome knee.