Jack Welson boxer
- bouts
- 29
- won
- 19
- lost
- 9
- draw
- 1
- Status
- inactive
- Division
- welterweight
- Debut
- 2003-11-28
- Height
- 5′ 10″/178cm
- Reach
- 73″/185cm
- Age
- -
- Born
- 1979-09-01
- Death
- -
- Nationality
- Brazil
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2015-05-31 | Paulo Henrique Santos | LLLLLW | Club Elite, Itaquera | DRAW |
| 2013-11-30 | Humberto Conceicao | LLLLLL | Centro Esportivo Tatuape, Sao Paulo | WIN Technical knockout |
| 2013-06-14 | Humberto Conceicao | LLLLLL | Clube Atletico Guarany, Sao Paulo | WIN Technical knockout |
| 2013-05-17 | Joel Pereira da Silva | WWLLLD | Arena Projeto Viver, Sao Paulo | WIN KO |
| 2012-03-03 | Fernando Ferreira da Silva | WWWWLW | Ginásio Arthur de Mendonça Chaves, Pocos de Caldas | LOST Majority decision |
| 2012-02-04 | Sidney Siqueira | WWWWLW | Ginasio Municipal, Valparaiso | LOST |
| 2011-08-04 | Marcio Kuhnert Lima | WWWLLL | Ginasio de Esporte Metropolito, JD Villa Dalila | WIN KO |
| 2011-07-16 | Douglas Ataide | W | Credicard Hall, Sao Paulo | LOST Unanimous decision |
| 2011-06-18 | Nelson Fabian Pilotti | WWWWDW | Gimnasio Municipal, Rio Colorado | LOST Technical knockout |
| 2011-04-19 | John Jackson | WWWWWW | Anfiteatro del Río Uruguay, Paysandu | LOST Technical knockout |
| 2010-12-04 | Denton Vassell | WWWWWW | Palace Hotel, Manchester | LOST Technical knockout |
| 2010-07-03 | Mauro Aparecido Antonio | LWWLLL | Arena Projeto Viver, Sao Paulo | WIN KO |
| 2010-05-01 | Jeferson Luis Goncalo | WLLLLW | Ginásio João Sebastião Ferraro, Salto | LOST Technical knockout |
| 2008-05-16 | Denis De Barros | LLLLWW | Arena Projeto Viver, Sao Paulo | WIN KO |
| 2008-04-26 | Jose Claudio da Silva | LLLLLL | Arena Projeto Viver, Sao Paulo | WIN Technical knockout |
| 2007-09-22 | Oscar Ruben Rivas Samudio | WWLLLW | Academia Radial Leste, Sao Paulo | WIN |
| 2007-07-19 | Jose Acioly de Barros | LWLLWL | Alcantrara Machado Boxe Arena, Sao Paulo | WIN KO |
| 2007-04-12 | Jose Claudio da Silva | LLLLLL | Arena do Cafe, Sao Paulo | WIN Technical knockout |
| 2007-02-15 | Jesus Rodrigues Chaves | LLLLLL | Arena do Cafe, Sao Paulo | WIN KO |
| 2006-06-15 | Claudio M da Silva | LL | Arena Boxe Viaduto do Cafe, Sao Paulo | WIN KO |
| 2005-10-29 | Daniel Saboia | WWW | Cajamar | LOST Unanimous decision |
| 2005-09-24 | Jeferson Luis Goncalo | WWWWWW | Ginasio Municipal, Monte-Mor | LOST KO |
| 2005-09-10 | Lourival Silva | debut | Ginasio Jose Alberto Rondini, Araras | WIN Technical knockout |
| 2005-08-20 | Jose Claudio da Silva | LLLLLL | Ginasio Municipal, Cerquilho | WIN Unanimous decision |
| 2005-08-06 | Edilson Souza Lima | debut | Academia Limit, Sao Paulo | WIN KO |
| 2004-07-10 | Mauro Aparecido Antonio | L | Gremio Rec. Esp. Nestle, Araras | WIN Technical knockout |
| 2004-06-18 | Elias Ferreira Campos | debut | Centro Esportivo Tatuape, Sao Paulo | WIN Technical knockout |
| 2004-01-31 | Jose Acioly de Barros | LLLLLL | Centro Esportivo Tatuape, Sao Paulo | WIN KO |
| 2003-11-28 | Jesus Rodrigues Chaves | WLWLLL | Ginasio Shund, Sao Paulo | WIN |