Otto Yacknow boxer
- bouts
- 26
- won
- 14
- lost
- 5
- draw
- 7
- Status
- inactive
- Division
- featherweight
- Debut
- 1909-11-24
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1920-04-21 | Alex Hart | WLWD | Opera House, Lorain | LOST |
| 1917-05-19 | George KO Chaney | WLWWWW | National A.C., Philadelphia | LOST KO |
| 1917-04-19 | Gene Belmont | LDWLLL | Cleveland | DRAW |
| 1917-03-10 | Terry Richards | LWWDWL | Santa Ana Plaza, Panama City | WIN Points |
| 1917-02-10 | Earl Geiger | WWL | Santa Ana Plaza, Panama City | WIN KO |
| 1917-01-09 | Terry Richards | DLWWDW | Santa Ana Plaza, Panama City | WIN Points |
| 1916-05-29 | Gene Delmont | WLLLDL | Youngstown | DRAW |
| 1916-05-09 | Gene Belmont | LL | Marotta A.C., Cleveland | DRAW |
| 1916-04-26 | Jake Schiffer | WWWWDW | Youngstown | DRAW |
| 1916-04-17 | Tommy O'Rourke | DWLWWW | Cuyahoga Falls | WIN |
| 1916-03-28 | Chick Maglione | WDDLWW | Marotta A.C., Cleveland | DRAW |
| 1916-03-21 | Cleveland Johnny Downes | WWWWDL | Ravenna | DRAW |
| 1916-03-07 | Toughy Ramser | WLWWWL | Elyria | WIN |
| 1915-04-14 | Leo Finneran | LLLLDW | Erie | DRAW |
| 1915-02-16 | Toughy Ramser | WDWWWW | Majestic Theatre, Lorain | WIN |
| 1915-02-10 | Roger O'Malley | WWWWDW | Social Seven Club, Sandusky | WIN |
| 1913-12-25 | Kid Banty | debut | Stag A.C., Saint Louis | WIN Points |
| 1913-12-04 | Johnny Piazzi | WWWLWD | Coliseum, Saint Louis | LOST Points |
| 1913-11-29 | Willie Krug | L | Mosse Club, Saint Louis | WIN Points |
| 1913-06-10 | Pat O'Neill | debut | Music Hall, Akron | WIN |
| 1913-01-27 | Rudy Buckean | LL | Akron | WIN |
| 1912-11-14 | Young Riley | debut | Tuxedo Club, Cleveland | WIN Technical knockout |
| 1912-08-27 | Rudy Buckean | L | Tuxedo Club, Cleveland | WIN Points |
| 1912-04-03 | Young Britt | WDWWWW | Windsor A.C., Windsor | LOST |
| 1912-03-20 | Tommy Bresnahan | LDLDWW | Cleveland A.C., Cleveland | LOST Technical knockout |
| 1911-12-28 | Matt Brock | DWDLWW | Cleveland | DRAW Points |
| 1911-12-22 | Joe Hartman | WL | Moose Club, Cleveland | LOST KO |
| 1911-12-19 | Earl Williams | DDLLD | Newburg A.C., Cleveland | DRAW Points |
| 1911-11-25 | Kid Julian | WWWWWW | Cleveland | DRAW Points |
| 1911-10-24 | Bobby Williams | DWDDWL | Olympic A.C., Youngstown | WIN |
| 1911-10-12 | Rudy Buckean | debut | Cleveland | WIN Points |
| 1911-09-28 | Tommy Bresnahan | DDWLDL | Cleveland | DRAW Points |
| 1911-05-09 | Matt Brock | WLWDLW | Eagles Club, Cleveland | DRAW Points |
| 1911-03-16 | Tommy Bresnahan | DLLDDD | Cleveland | DRAW Points |
| 1911-02-28 | Matt Brock | WDWLWD | Cleveland | WIN Points |
| 1911-02-13 | Herman Smith | WDDW | Frisco A.C., Buffalo | DRAW |
| 1911-01-24 | Marty Collins | DWL | Sharon A.C., Sharon | WIN KO |
| 1911-01-16 | Kid Cherry | debut | Salamanca | WIN Technical knockout |
| 1910-11-18 | Matty Collins | L | Auditorium, Canton | WIN Points |
| 1910-10-29 | Matt Brock | DWDWDW | Cleveland | DRAW Points |
| 1910-04-29 | Kid Williams | debut | Cleveland | LOST Points |
| 1910-02-15 | Tommy Kilbane | WLDWWW | Lorain | DRAW |
| 1910-01-27 | Johnny Schultz | debut | Fremont | DRAW |
| 1910-01-05 | Kid Lewis | debut | Cleveland | WIN Technical knockout |
| 1909-12-22 | Young McGlynn | D | Zanesville | WIN |
| 1909-11-24 | Johnny Sinclair | debut | Cleveland | WIN |