Klitschko, Castillo moved back down to the Cruiserweight division. He has won two straight since the Klitschko loss and was KOd by, the then undefeated, Johnathon Banks on July 26, 2006. Professional boxing record |- |align="center" colspan=8|20 Wins (15 knockouts, 5 decisions), 3 Losses (3 knockouts, 0 decisions), 1 Draw |- | align="center" style="border-style: none none solid solid; background: #e3e3e3"|Result | align="center" style="border-style: none none solid solid; background: #e3e3e3"|Record | align="center" style="border-style: none none solid solid; background: #e3e3e3"|Opponent | align="center" style="border-style: none none solid solid; background: #e3e3e3"|Type | align="center" style="border-style: none none solid solid; background: #e3e3e3"|Round | align="center" style="border-style: none none solid solid; background: #e3e3e3"|Date | align="center" style="border-style: none none solid solid; background: #e3e3e3"|Location | align="center" style="border-style: none none solid solid; background: #e3e3e3"|Notes |-align=center |Loss | |align=left| Denis Lebedev |TKO |5 |22/03/2009 |align=left| Balashikha, Russia |align=left| |- |Loss | |align=left| Johnathon Banks |KO |4 |26/07/2006 |align=left| New York City, U.S. |align=left| |- |Win | |align=left| Willie Herring |UD |12 |24/03/2006 |align=left| Miami, Florida, U.S. |align=left| |- |Win | |align=left| Chris Lewallen |TKO |1 |25/02/2006 |align=left| Oklahoma City, Oklahoma, U.S. |align=left| |- |Loss | |align=left| Wladimir Klitschko |TKO |4 |23/04/2005 |align=left| Dortmund, Germany |align=left| |- |Win | |align=left| Michael Moorer |UD |10 |03/07/2004 |align=left| Miami, Florida, U.S. |align=left| |- |Win | |align=left| Drexie James |KO |1 |01/05/2004 |align=left| Miami, Florida, U.S. |align=left| |- |Win | |align=left| Curtis Taylor |KO |3 |26/03/2004 |align=left| Miami, Florida, U.S. |align=left| |- |Win | |align=left| Onebo Maxime |UD |4 |16/01/2004 |align=left| Minneapolis, Minnesota, U.S. |align=left| |- |Win | |align=left| Ronnie Smith |UD |4 |13/10/2002 |align=left| Choctaw, Mississippi, U.S. |align=left| |- |Win | |align=left| Bill Medei |TKO |1 |22/06/2002 |align=left| United States Virgin Islands |align=left| |- |Win | |align=left| Agustin Corpus |TKO |5 |07/08/1999 |align=left| Miami, Florida, U.S. |align=left| |- |Draw | |align=left| Sajad Abdul Aziz |PTS |10 |13/11/1998 |align=left| Miami, Florida, U.S. |align=left| |- |Win | |align=left| Tyrone Armstead |TKO |5 |07/06/1998 |align=left| Miami, Florida, U.S. |align=left| |- |Win | |align=left| Ed Mosley |TKO |4 |02/05/1998 |align=left| Miami, Florida, U.S. |align=left| |- |Win | |align=left| Jerry Brown |TKO |2 |20/12/1997 |align=left| Miami, Florida, U.S. |align=left| |- |Win | |align=left| Oscar Silva |KO |1 |22/08/1997 |align=left| Miami Beach, Florida, U.S. |align=left| |- |Win | |align=left| Berry Butler |UD |4 |24/01/1997 |align=left| Atlantic City, New Jersey, U.S. |align=left| |- |Win | |align=left| Jesus Carlos Velez |TKO |3 |03/01/1997 |align=left| Hialeah, Florida, U.S. |align=left| |- |Win | |align=left| George