 In 2002 Tann became National Golden Gloves Super Heavyweight Champion with a win over, among others, Nathaniel James.Tann won his first eight bouts, including a bizarre disqualification win over journeyman Clifford Couser (Couser was DQ'd for picking Tann up, slamming him to the mat, then trying to hit him while he was down) in 2003, but was dropped and decisioned by Willie Chapman that same year.In 2004 he beat Jason Gavern and in 2005 beat Derek Bryant, but later in the year had another defeat, to Domonic Jenkins via decision.