| Pro Record: | 3-0-0 (Win-Loss-Draw) |
| Team: | South Shore Sport Fighting |
| Sex: | Male |
Bill Mahoney's Professional Record
| Date | Result | Opponent | Event | Method | Round | Time | ||
|---|---|---|---|---|---|---|---|---|
| 11/19/2011 | Win | Hector Sanchez | CFX 18: Rumble in the Jungle | Submission Keylock | 1 | 0:56 | ||
| 05/28/2010 | Win | Fernando Rivera | Cage Fighting Xtreme 9 | Submission Guillotine Choke | 1 | 2:02 | ||
| NSF | 06/14/2008 | Win | Rob Johnson | Cage Rage Contenders 10 | Submission Rear Naked Choke | 1 | 0:57 |
Bill Mahoney's Amateur Record
| Date | Result | Opponent | Event | Method | Round | Time | ||
|---|---|---|---|---|---|---|---|---|
| NSF | 08/16/2003 | Loss | Wally MacDonald | Mass Destruction 12 | TKO/RSC Referee Stoppage | 1 | ||
| NSF | 07/26/2003 | Win | Robert Dias | Xtreme Fighting 5 | Submission | 1 | 4:08 | |
| NSF | 05/24/2003 | Win | Dawson Walton | Hardcore Fighting Championship 1 | Submission | 2 | 1:05 | |
| NSF | 01/25/2003 | Loss | Mike Brown | Mass Destruction 10 | Submission Rear Naked Choke | 3 | 0:00 | |
| NSF | 06/21/2002 | Loss | Nuri Shakir | Extreme Grappling Challenge 10 | TKO/RSC Referee Stoppage from Punches | 1 | 3:34 |
|
| NSF | 06/07/2002 | Win | Joe Guarnarna | Xtreme Fighting: Battle in Taunton 2 | Decision Unanimous Decision | |||
| NSF | 04/12/2002 | Loss | Nuri Shakir | Extreme Grappling Challenge 9 | Decision Unanimous Decision | 1 |
|
|
| NSF | 02/23/2002 | Loss | Matt Lee | Mass Destruction 6 | Decision Unanimous Decision | 1 | ||
| NSF | 02/15/2002 | Win | Roger Bonin | Xtreme Fighting: Battle in Taunton 1 | Submission Kimura | 1 | 2:11 | |
| NSF | 02/08/2002 | Win | Charles Karron | Extreme Grappling Challenge 8 | Submission | 1 | 3:06 | |
| NSF | 11/03/2001 | Win | Tony DeAngelis | Mass Destruction 5 | Submission Shoulder Lock | 1 | 2:16 | |
| NSF | 10/12/2001 | Win | Samuel Almeida | Extreme Grappling Challenge 5 | Submission Heel Hook | 1 | 3:52 | |
| NSF | 06/15/2001 | Win | Antwane Hinton | Extreme Grappling Challenge 3 | Submission Arm Bar | 1 | 3:30 | |
| NSF | 02/09/2001 | Win | Bill Newcome | Extreme Grappling Challenge 1 | Submission Keylock | 1 |
| Bout results verified by an official State, Tribal, Provincial, or Municipal Commission. | |
| NSF: | Non Sanctioned Fight |
| * : | For a variety of reasons, including weight disparity and the demands of entertainment, Exhibition Bouts are held, in which the contest is unscripted and hard fought, but the results do not count on a fighter's Official Record. |
| NC: | Fight Declared No Contest |


