Career
As an amateur Decima represented Argentina as a bantamweight at the 1984 Olympic Games. His results were:
1st round bye
Defeated Tshoza Mukuta (Zaire) 5-0
Defeated Çemal Öner (Turkey) 4-1
Lost to Dale Walters (Canada) 0-5
Pro Boxing He lost the belt in his first defense to Kiyoshi Hatanaka in 1991 and retired in 1993. At his age, he works as a public boxer trainer in Buenos Aires, Argentina.