Rafael Sierra (El Lobito) boxer
- bouts
- 11
- won
- 5
- lost
- 5
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 2001-08-11
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1982-10-12
- Death
- -
- Nationality
- Puerto Rico
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2005-08-05 | Daniel Alicea | LDWWWL | Coliseo Pedrín Zorrilla, Hato Rey | LOST Unanimous decision |
| 2005-03-04 | Pascali Adorno | WWDWLW | Coliseo Pedrín Zorrilla, Hato Rey | LOST Technical knockout |
| 2003-02-07 | Octavio Lara | debut | The Palace, Auburn Hills | LOST Technical knockout |
| 2002-11-22 | Daniel Jimenez | LDWWWW | Coliseo Héctor Solá Bezares, Caguas | LOST Technical knockout |
| 2002-08-24 | Alberto de Jesus Trinidad | WWWW | Roberto Clemente Stadium, Carolina | LOST KO |
| 2002-06-15 | Edner Cherry | WDLWDW | Miccosukee Indian Gaming Resort, Miami | WIN Split-decision |
| 2002-04-12 | Pedro Castro | WLWLL | Miccosukee Indian Gaming Resort, Miami | WIN KO |
| 2002-02-22 | Edner Cherry | WDLW | Miccosukee Indian Gaming Resort, Miami | DRAW Points |
| 2001-12-07 | Javier Gonzalez | LLLLLL | Miccosukee Indian Gaming Resort, Miami | WIN Unanimous decision |
| 2001-10-19 | Gibeon Gonzalez | LWDD | Civic Center, Kissimmee | WIN Technical knockout |
| 2001-08-11 | Alex Brenes | LWDL | Miccosukee Indian Gaming Resort, Miami | WIN Unanimous decision |