William Cobos boxer
- bouts
- 10
- won
- 5
- lost
- 4
- draw
- 1
- Status
- inactive
- Division
- featherweight
- Debut
- 1930-09-19
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1931-09-25 | Benny Pierce | W | Ventura A.C., Ventura | LOST Points |
| 1931-08-24 | Rod Alcantera | LLL | Eastside Arena, Los Angeles | LOST KO |
| 1931-07-31 | Bernie Garcia | debut | Ventura A.C., Ventura | LOST Points |
| 1931-07-17 | Ralph Flores | LWD | Ventura A.C., Ventura | WIN Technical knockout |
| 1931-07-04 | Carlos Gonzales | L | Ventura A.C., Ventura | WIN Points |
| 1931-06-19 | Valerio Baluga | debut | Ventura A.C., Ventura | WIN KO |
| 1931-06-05 | Ralph Flores | LW | Ventura A.C., Ventura | DRAW Points |
| 1930-10-17 | Tony Flores | LWLWL | Ventura A.C., Ventura | WIN Technical knockout |
| 1930-10-03 | Benny Garcia | debut | Ventura A.C., Ventura | LOST Points |
| 1930-09-19 | Tony Flores | LW | Ventura | WIN Points |