 Ugboaja was selected in the 2006 NBA draft by the National Basketball Association's Cleveland Cavaliers, in the second round with the 55th pick overall.He was a member of the Cavaliers during the 2006-07 season, but did not play in any regular season games with the team.He played in the 2nd-tier Eurocup with Azovmash Mariupol and with BC Odessa.