DERRICK GAINER
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| a.k.a.: | |
| WEIGHT CLASS: | UNKNOWN |
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| LAST FIGHT: | September 29, 2012 |
| LAST WEIGH-IN: | 140 |
| W-L-D | RND | FIGHTER | DATE | TITLE |
| W SD | 12 | Victor Polo | 2001-02-24 | WBA World featherweight |
| DRAW | 2 | Daniel Seda | 2002-08-24 | WBA World featherweight |
| W SD | 12 | Oscar Leon | 2003-04-12 | WBA World featherweight |
| L TDRAW | 7 | Juan Manuel Marquez | 2003-11-01 | WBA Super World featherweight |
| L UD | 12 | Chris John | 2005-04-22 | WBA World featherweight |