Gilliam began his college basketball career in 1982–83 at Independence Junior College in Independence, Kansas.
college football | Eton College | University College London | Dartmouth College | King's College London | Harvard College | Trinity College | Basque Country (autonomous community) | college | Oberlin College | Boston College | University College Dublin | Williams College | Vassar College | college basketball | Winchester College | Imperial College London | Collège de France | Middlebury College | Berklee College of Music | Royal College of Art | Declaration of Independence | Smith College | Royal College of Music | Yale College | New College, Oxford | City College of New York | Amherst College | Magdalen College, Oxford | Kenyon College |
A 6'9", 250 pound power forward out of the East High School and University of Cincinnati who also attended Independence Community Junior College, Dodge City Community College in Kansas and Southeastern Community College in Iowa, Long was not drafted but both the Portland Trail Blazers and Sacramento Kings signed him as a free agent in 1999, though he was waived before ever playing a game for either.