Willie Classen boxer
- bouts
- 25
- won
- 16
- lost
- 7
- draw
- 2
- Status
- inactive
- Division
- middleweight
- Debut
- 1972-12-07
- Height
- -
- Reach
- -
- Age
- 29
- Born
- 1950-09-16
- Death
- 1979-11-28
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1979-11-23 | Wilford Scypion | WWWWWW | Felt Forum, New York | LOST KO |
| 1979-10-09 | Tony Sibson | LWWWWW | Royal Albert Hall, Kensington | LOST KO |
| 1979-04-06 | John LoCicero | LWWWWW | Felt Forum, New York | LOST KO |
| 1978-12-02 | Jose Luis Duran | DLLWLW | Palazzo Dello Sport, Marsala | WIN Corner retirement |
| 1978-11-16 | Al Styles Jr. | WWWLWL | Audubon Ballroom, New York | LOST Unanimous decision |
| 1978-08-25 | Vito Antuofermo | WWWWWW | Madison Square Garden, New York | LOST Unanimous decision |
| 1978-05-26 | Wilbert Crews | WLLDLL | Prospect Hall, Brooklyn | WIN Points |
| 1978-04-27 | Vinnie Curto | WWWLWW | Madison Square Garden, New York | DRAW Points |
| 1978-02-04 | Larry Davis | WWLLLL | Madison Square Garden, New York | WIN Points |
| 1978-01-25 | Bob Payton | WWLLLL | Roll-A-Rama, Brooklyn | WIN Unanimous decision |
| 1977-12-21 | Ricky Burgess | LWWWLL | Roll-A-Rama, Brooklyn | WIN KO |
| 1977-11-30 | Roy Edmonds | LWWWWL | Westchester County Center, White Plains | WIN Technical knockout |
| 1977-06-03 | Alfonso Aguirre | WWLLLW | Sunnyside Garden, Sunnyside, Queens | WIN KO |
| 1977-03-18 | DC Walker | LLLLWL | Sunnyside Garden, Sunnyside, Queens | WIN KO |
| 1977-02-04 | Jose Anglada | LWLLLL | Sunnyside Garden, Sunnyside, Queens | WIN KO |
| 1975-12-03 | Gary Bailey | LLLLLL | Sunnyside Garden, Sunnyside, Queens | WIN Points |
| 1974-04-08 | Eddie Mustafa Muhammad | WWWWWL | Felt Forum, New York | LOST Majority decision |
| 1974-02-04 | Larry Davis | WW | Felt Forum, New York | WIN Split-decision |
| 1974-01-21 | Bob Harrington | DWLLLL | Felt Forum, New York | WIN Points |
| 1973-09-24 | Chris Black | DWWWWW | Felt Forum, New York | WIN KO |
| 1973-06-18 | Don Rucker | WW | Twin Rinks, Cheektowaga | WIN KO |
| 1973-04-13 | James Redford | LWW | Sunnyside Garden, Sunnyside, Queens | WIN Points |
| 1973-03-23 | Angel Mercedes | WLWWLL | Armory, Elizabeth | WIN KO |
| 1973-02-24 | Willie Taylor | WWDWW | Sunnyside Garden, Sunnyside, Queens | LOST Points |
| 1972-12-07 | Willie Taylor | WW | Marist High School Gym, Bayonne | DRAW Points |