Leo Alonzo boxer
- bouts
- 40
- won
- 26
- lost
- 11
- draw
- 3
- Status
- inactive
- Division
- lightweight
- Debut
- 1952-02-06
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- 2013-00-00
- Nationality
- Philippines
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1963-08-21 | Kazuo Takayama | WLWWWW | Yokkaichi | LOST KO |
| 1962-10-20 | Ben de Villa | LWLWDL | Besa Boxing Arena - Plaza Lawton, district of Ermita, Manila | WIN Points |
| 1962-04-28 | Suttichai Kanongsuk | LW | Araneta Coliseum, Barangay Cubao, Quezon City | WIN Points |
| 1961-09-06 | Bert Somodio | WWWLWW | Manila | LOST KO |
| 1961-07-03 | Fighting San Carlos | WDLWLW | Besa Boxing Arena - Plaza Lawton, district of Ermita, Manila | WIN Points |
| 1960-12-23 | Arthur Persley | WLWWWW | Abelana Stadium, Cebu City | DRAW |
| 1960-04-23 | Terry Rebolado | WLLLWW | Besa Boxing Arena - Plaza Lawton, district of Ermita, Manila | LOST KO |
| 1960-03-26 | Sammy Borja | WWL | Agana | LOST KO |
| 1959-12-18 | Sammy Borja | WW | Agana | WIN Points |
| 1959-12-05 | Takeo Sugimori | WLDLLL | Manila | WIN Points |
| 1959-08-01 | Jet Bally | WLWLLD | Manila | WIN Points |
| 1958-11-21 | Tommy Romulo | WWLLLL | Quezon City | LOST KO |
| 1958-10-31 | Teddy Robles | WW | Manila | WIN Points |
| 1958-08-18 | Bonnie Espinosa | WWWLLL | Quezon City | LOST Points |
| 1957-10-23 | Flash Elorde | WWWLWL | Rizal Memorial Sports Complex, Manila | LOST Unanimous decision |
| 1957-09-09 | Dan Santiago | WWLLWL | Civic Auditorium, Honolulu | WIN KO |
| 1957-08-19 | Lem Miller | LLLWWW | Civic Auditorium, Honolulu | LOST KO |
| 1957-06-25 | Mickey Northrup | DLLWWL | Auditorium, Oakland | WIN Unanimous decision |
| 1957-05-09 | Paolo Rosi | WWWWLW | Cow Palace, Daly City | DRAW Points |
| 1957-04-05 | Baby Vasquez | WWWWWW | Stockton | LOST Points |
| 1956-12-22 | Dave Gallardo | LWDLLL | Civic Auditorium, Stockton | LOST Technical knockout |
| 1956-10-30 | Joey Lopes | WWWLWW | Memorial Auditorium, Sacramento | WIN Majority decision |
| 1956-08-03 | Hideo Toyoda | WWLWWW | Osaka Stadium, Osaka | WIN Points |
| 1956-07-25 | Toshiharu Ogoshi | LWWLWW | WIN KO |
|
| 1956-05-30 | Jiro Sawada | WWWLWL | WIN Split-decision |
|
| 1956-02-22 | Omsap Laemfapha | WL | Manila | WIN Points |
| 1955-12-03 | Jiro Sawada | WWWWWW | Manila | WIN Technical knockout |
| 1955-08-17 | Tommy Romulo | WWWWWL | Quezon City | WIN Technical knockout |
| 1955-06-15 | Flash Elorde | WWWWLW | Rizal Memorial Coliseum, Manila | WIN Split-decision |
| 1955-05-07 | Severino Fuentes | WL | Manila | WIN KO |
| 1955-04-15 | Paulito Escarlan | LWLLDW | Bullfight Arena , Manila | WIN Points |
| 1955-03-05 | Larry Bataan | LLWWWW | Manila | WIN KO |
| 1954-12-29 | Ned Wilson | WWWWLW | Manila | WIN KO |
| 1954-07-03 | Star Naven | LLLWDL | Rizal Memorial Sports Complex, Manila | WIN Technical knockout |
| 1954-04-30 | Baby Dundee | WWWLWW | Olympic Stadium, Manila | WIN KO |
| 1953-09-30 | Dommy Roxas | WDW | Quezon City | WIN Points |
| 1952-12-20 | Alfredo Flores | WWW | Grace Park Stadium, Caloocan City | LOST KO |
| 1952-06-14 | King Von Nelson | debut | Grace Park Stadium, Caloocan City | WIN KO |
| 1952-04-19 | Tony Villa | debut | Pateros | DRAW Points |
| 1952-02-06 | Alfredo Barretto | debut | Caloocan City | WIN Points |
