Yuyin Trejo (William Magana Trejo) boxer
- bouts
- 43
- won
- 23
- lost
- 16
- draw
- 4
- Status
- inactive
- Division
- featherweight
- Debut
- 1952-05-14
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1933-05-24
- Death
- -
- Nationality
- Mexico
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1958-08-31 | Kid Oliva | WWWWWW | Arena Colima, Colima | LOST KO |
| 1958-06-20 | Frankie Salas | WLWLDL | Mexicali | LOST KO |
| 1958-06-06 | Raul Fuentes | LWWDLD | Mexicali | LOST KO |
| 1958-02-11 | Ray Mancilla | LLLLLL | Dzidzantun | WIN Points |
| 1958-01-08 | Chebo Vazquez | LLLLWW | Mexico City | LOST KO |
| 1957-10-30 | Emilio Olivares | WLWLWW | Mexico City | LOST KO |
| 1957-09-11 | Enrique Castillo | WWWWWW | Mexico City | LOST KO |
| 1957-03-09 | Baby Lizarraga | WLW | Campeche | DRAW Points |
| 1957-02-11 | Ray Mancilla | WLLLLL | Dzidzantun | WIN Points |
| 1957-01-27 | Baby Gamboa | WWWWLL | Dzidzantun | WIN Points |
| 1957-01-14 | Felipe Novelo | LLLWLW | Dzidzantun | WIN Points |
| 1956-12-10 | Carlos Miranda | debut | Dzidzantun | WIN Points |
| 1956-11-12 | Carlos Tamayo | L | Dzidzantun | WIN Points |
| 1956-11-05 | Felipe Novelo | LLLLLW | Dzidzantun | WIN Points |
| 1956-03-10 | Pantera de Champoton | WDLWLW | Campeche | LOST KO |
| 1956-02-08 | Gilberto Mullens | LWD | Merida | DRAW Points |
| 1955-12-14 | Kid Anahuac | WWWWWW | Merida | LOST KO |
| 1955-11-26 | Nicolas Iturralde | debut | Minatitlan | WIN KO |
| 1955-10-19 | Raul Solis | LLWLLW | Circo Teatro Yucateco Arena, Merida | LOST Points |
| 1955-04-27 | Cesar Morales | LLWDWW | Merida | WIN Points |
| 1955-03-09 | Roberto Lagunes | debut | Merida | WIN KO |
| 1955-02-10 | Gavilan Tabasqueno | LW | Merida | WIN Points |
| 1954-12-22 | Gallito Garcia | LLWW | Merida | WIN KO |
| 1954-12-11 | Mario Luis | debut | Campeche | WIN KO |
| 1954-09-18 | Memo Baltazares | L | Arena Coliseo, Mexico City | DRAW Points |
| 1954-09-10 | Enrique Garcia | debut | Poza Rica | WIN Points |
| 1954-08-26 | Jose Juan Zurita | debut | Puebla | WIN Points |
| 1954-07-23 | Lucio Torres | debut | Veracruz | LOST KO |
| 1954-03-24 | Pantera de Champoton | debut | Merida | WIN KO |
| 1953-11-18 | Ray Mancilla | debut | Merida | WIN KO |
| 1953-07-08 | Pelon Perera | W | Merida | WIN Points |
| 1953-06-10 | Delfin Gamboa | debut | Merida | LOST KO |
| 1953-05-20 | Alejandro Sanchez | debut | Merida | WIN Points |
| 1953-03-11 | Marvin Palma | debut | Merida | LOST KO |
| 1953-02-07 | Manolin Angulo | debut | Ciudad Del Carmen | WIN KO |
| 1952-12-17 | Panchito Herrera | D | Merida | LOST Points |
| 1952-12-06 | Huracan Castillo | debut | Campeche | WIN KO |
| 1952-11-19 | Panchito Herrera | debut | Merida | DRAW Points |
| 1952-11-05 | Beto Campos | debut | Merida | WIN Points |
| 1952-10-01 | Martin Peraza | debut | Merida | LOST KO |
| 1952-07-09 | Eligio Rosado | debut | Merida | LOST Points |
| 1952-06-04 | Joe Jimenez | debut | Merida | LOST KO |
| 1952-05-14 | Eloy Rivero | debut | Merida | WIN KO |
