Johnny van Blerk (aka Johnny James) boxer
- bouts
- 10
- won
- 3
- lost
- 7
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1953-01-30
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- South Africa
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1956-09-12 | Buster Perry | LLLWWL | City Hall, Durban | LOST Points |
| 1955-05-23 | Gary Gordon | WLWLWW | City Hall, Durban | LOST Points |
| 1955-04-23 | Harry Walker | LWLLWL | Kroonstad | LOST Technical knockout |
| 1955-04-09 | Henry Bruyns | DWWWLD | City Hall, Johannesburg | WIN Points |
| 1955-04-02 | Piet Pieterse | WWW | Rand Stadium, Johannesburg | LOST Points |
| 1954-02-17 | Basie van Rensburg | WWWW | Selborne Hall, Johannesburg | LOST KO |
| 1953-07-04 | Basie van Rensburg | W | Town Hall, Roodepoort | LOST |
| 1953-05-09 | Johnny van Rensburg | WWW | Wembley Stadium, Johannesburg | LOST Corner retirement |
| 1953-03-21 | Peter Dawson | WW | Rand Stadium, Johannesburg | WIN Points |
| 1953-01-30 | Gary Gordon | WWWWWW | City Hall, Durban | WIN Corner retirement |