Manuel Sierra (Manolo Sierra) boxer
- bouts
- 28
- won
- 10
- lost
- 13
- draw
- 5
- Status
- inactive
- Division
- super lightweight
- Debut
- 1938-12-18
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Cuba
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1945-06-27 | Ray Salas | WWWWLD | Auditorium, Oakland | LOST KO |
| 1945-06-06 | Ray Salas | WWWWWL | Auditorium, Oakland | DRAW Points |
| 1945-05-04 | Cleo Shans | LWWWLW | Legion Stadium, Hollywood | LOST Technical knockout |
| 1945-02-09 | Bobby Yaeger | WWWLWW | Legion Stadium, Hollywood | LOST Technical knockout |
| 1945-01-10 | Jimmy Joyce | LWWLWL | Auditorium, Oakland | WIN Points |
| 1944-11-29 | Don Wixson | WWLWWW | Auditorium, Oakland | WIN Technical knockout |
| 1944-10-18 | Jimmy Joyce | WWLWWL | Auditorium, Oakland | LOST KO |
| 1944-09-27 | Jimmy Joyce | LWWLWW | Auditorium, Oakland | WIN Points |
| 1944-07-22 | Enrique Cardoso | WLLWLW | Arena Coliseo, Mexico City | LOST Points |
| 1944-05-20 | Julio Cesar Jimenez | WWWWWW | Arena Coliseo, Mexico City | LOST KO |
| 1943-06-19 | Kid Bururu | WWWDDW | Havana | LOST KO |
| 1943-05-29 | Kid Bururu | WWWWDD | Santiago de Cuba | LOST Points |
| 1943-04-17 | Kid Bururu | DWWWWW | Santiago de Cuba | DRAW Points |
| 1943-02-06 | Joe Calixto | LWDW | Arena Cristal, Havana | LOST Points |
| 1943-01-16 | Joe Calixto | LWD | Arena Cristal, Havana | LOST Points |
| 1942-06-24 | Panchon Martinez | LLWLL | Havana | DRAW Points |
| 1942-04-20 | Matt Dougherty | LDLWWL | Havana | WIN Points |
| 1942-03-07 | Rene Cantero | WLLLLL | Havana | WIN KO |
| 1942-01-31 | Reinaldo Puentes Pi | LWWWWL | Arena Cristal, Havana | WIN Points |
| 1942-01-10 | National Kid | WLWDWL | Havana | DRAW Points |
| 1941-09-20 | Juan Villalba | WDLLLL | Havana | DRAW Points |
| 1941-08-23 | Fillo Gonzalez | LWLWWL | Havana | WIN Points |
| 1941-07-05 | Juan Alvarez | WWWLWL | Havana | LOST KO |
| 1941-03-22 | Miguel Acevedo | WWWWWL | Arena Cristal, Havana | LOST Points |
| 1940-10-26 | Baby Juancito | W | Havana | WIN Points |
| 1940-04-27 | Antonio Ramos | LWD | Arena Cristal, Havana | WIN Technical knockout |
| 1939-09-02 | Armando Delgado | WLLWLW | Havana | LOST Points |
| 1938-12-18 | Alfredo Quintana | WL | Palacio de Deportes, Havana | WIN Points |
