OSAMU SATO
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| WEIGHT CLASS: | UNKNOWN |
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| LAST FIGHT: | June 4, 2004 |
| LAST WEIGH-IN: | 126 |
| W-L-D | RND | FIGHTER | DATE | TITLE |
| W KO | 8 | Yoddamrong Sithyodthong | 2002-05-18 | WBA World super bantamweight |
| L UD | 12 | Chris John | 2004-06-04 | WBA World featherweight |