 After declaring for the NBA draft, he withdrew his name from the candidates' list.He went back to Georgetown, rejoining senior standouts Ashanti Cook and Darrel Owens, and closed his collegiate career with 11 points and 5.2 rebounds per game, distinguishing himself particularly during the Hoyas' upset over the then undefeated #1 Duke Blue Devils, in which he scored 23 points and grabbed 8 rebounds.After going undrafted in the 2006 NBA draft, Bowman joined the Portland Trail Blazers for the 2006 NBA Summer League.