William Mardizon boxer
- bouts
- 13
- won
- 3
- lost
- 9
- draw
- 1
- Status
- inactive
- Division
- welterweight
- Debut
- 1977-10-08
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Philippines
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1985-06-29 | Noli De Guia | WL | LOST Points |
|
| 1985-02-02 | Sil Sarana | debut | General Santos City | LOST Majority decision |
| 1984-12-06 | Rolando Aldemir | WWLLLW | LOST Points |
|
| 1984-09-05 | Hidekazu Akai | WLWWWW | Prefectural Gymnasium, Osaka | LOST Unanimous decision |
| 1984-05-16 | Nilo Acido | LLLLLW | Elorde Sports Center, Paranaque City | LOST Technical knockout |
| 1984-04-28 | Willie Makitoki | WWWLWL | LOST Unanimous decision |
|
| 1983-09-25 | Je-Hyung Yuh | WWWWWW | Seoul | LOST KO |
| 1979-08-25 | Rino Balaba | debut | DRAW Points |
|
| 1979-06-30 | Joe Lim | LLWLWL | CYO Gym, Davao City | LOST Points |
| 1979-04-21 | Gideon Toyogon | DWWD | Davao City | LOST KO |
| 1979-02-17 | Art Galula | debut | Davao City | WIN Points |
| 1978-12-16 | Cris Boy Otero | debut | CYO Gym, Davao City | WIN Unanimous decision |
| 1977-10-08 | Tony Abarca | LWLWL | Barangay Tetuan, Zamboanga City | WIN Technical knockout |