WELTERWEIGHT division
OTTO SIELOFF
RetiredWins
9
Losses
4
Draws
2
NC
0
Rated Fights
14
Head-to-Head Comparison
Compare OTTO SIELOFF's career against any other fighter on record — records, ratings, common opponents, and any direct bouts.
Complete Record — 15 Bouts
| Date | Result | Opponent | Rds | Div. | |
|---|---|---|---|---|---|
| 🔒 24 MAR 1905 | LOSS | MIKE TWIN SULLIVAN | 5 | WELTERWEIGHT | |
| 🔒 25 APR 1904 | NWS-D | GEORGE MEMSIC | 10 | LIGHTWEIGHT | |
| 🔒 25 MAR 1904 | DRAW | GEORGE MEMSIC | 10 | LIGHTWEIGHT | |
| 🔒 10 MAR 1904 | DRAW | GEORGE MEMSIC | 6 | LIGHTWEIGHT | |
| 🔒 19 FEB 1904 | LOSS | HONEY MELLODY | 4 | WELTERWEIGHT | |
| 🔒 18 APR 1903 | KO | TIM KEARNS | 3 | WELTERWEIGHT | |
| 🔒 03 JAN 1903 | DEC | TIM KEARNS | 6 | WELTERWEIGHT | |
| 🔒 12 FEB 1902 | KO | DANNY DUANE | 6 | WELTERWEIGHT | |
| 🔒 11 JAN 1901 | LOSS | RUFE TURNER | 4 | LIGHTWEIGHT | |
| 🔒 16 OCT 1900 | LOSS | JOE GANS | 9 | LIGHTWEIGHT | |
| 🔒 03 AUG 1900 | DEC | YOUNG PETER JACKSON | 10 | WELTERWEIGHT | |
| 🔒 14 APR 1900 | DEC | JIMMY MURRAY | 6 | LIGHTWEIGHT | |
| 🔒 23 FEB 1900 | DEC | TOM CLEARY | 6 | HEAVYWEIGHT | |
| 🔒 14 JAN 1899 | DEC | SHORTY AHEARN | 6 | WELTERWEIGHT | |
| 🔒 08 JUL 1898 | KO | TIM KEARNS | 2 | WELTERWEIGHT |
Some bouts are locked in the archive
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