Richard Sierra boxer
- bouts
- 23
- won
- 20
- lost
- 3
- draw
- 0
- Status
- inactive
- Division
- super lightweight
- Debut
- 1997-11-20
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1979-01-06
- Death
- -
- Nationality
- Puerto Rico
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2003-03-07 | John Trigg | LWLLWL | Coliseo Pedrin Zorrilla, San Juan | WIN Unanimous decision |
| 2002-12-20 | Gustavo Corral | DWDWLW | Coliseo Marron Aponte, Aibonito | LOST Unanimous decision |
| 2001-09-21 | Douglas Villarreal | WLWLLL | Martinez Sports Center, Tampa | LOST Technical knockout |
| 2001-03-10 | Javier Lucas | LLLLLL | PAL Gymnasium, Homestead | WIN Technical knockout |
| 2000-12-09 | Adam Leibowitz | LWWWWW | PAL Gymnasium, Homestead | WIN Unanimous decision |
| 2000-09-23 | Jose Luis Montes | LLLLLL | PAL Gymnasium, Homestead | WIN Technical knockout |
| 2000-08-16 | Juan Polo Perez | WWWDLL | Dundee Training Center, Davie | LOST Unanimous decision |
| 2000-06-24 | Jose Ramon Disla | WLLLLW | PAL Gymnasium, Homestead | WIN Unanimous decision |
| 1999-12-04 | Rogelio Castaneda Jr | WWWDWL | Mahi Temple Shrine Auditorium, Miami | WIN Majority decision |
| 1999-10-13 | Jose Ramon Disla | DWWLLL | Cristal Nightclub, Miami Beach | WIN Technical knockout |
| 1999-08-21 | Juan Polo Perez | WLLWLL | PAL Gymnasium, Homestead | WIN Split-decision |
| 1999-06-30 | Juan Roberto Colin | LLLLLW | Cristal Nightclub, Miami Beach | WIN KO |
| 1999-05-12 | Steve Larrimore | LWWLLL | Cristal Nightclub, Miami Beach | WIN Unanimous decision |
| 1999-03-10 | Gerardo Canales | LLLLL | Four Ambassadors Hotel, Miami | WIN Technical knockout |
| 1999-01-30 | John Trigg | LWWDWW | Flagler Dog Track, Miami | WIN Unanimous decision |
| 1998-11-25 | Salvador Cortes | WWLW | Salinas | WIN KO |
| 1998-08-22 | Arthur Clarke | LLLLLL | Mahi Temple Shrine Auditorium, Miami | WIN Unanimous decision |
| 1998-07-22 | Luis Rivera | LL | Coliseo Angel 'Cholo' Espada, Salinas | WIN Technical knockout |
| 1998-07-10 | Billy Wooten | LLLLLW | Miccosukee Indian Gaming Resort, Miami | WIN Unanimous decision |
| 1998-04-30 | Roberto Melendez | WLL | Isla Verde | WIN Technical knockout |
| 1998-03-26 | Javier Arce | LWLL | Isla Verde | WIN Technical knockout |
| 1998-02-26 | Ramon Perez | debut | Isla Verde | WIN Technical knockout |
| 1997-11-20 | Roberto Melendez | W | Hilton Hotel, Ponce | WIN Technical knockout |