|WEC 12: Halloween Fury 3|
|Promotion||World Extreme Cagefighting|
|Date||October 21, 2004|
|Venue||Tachi Palace Hotel & Casino|
WEC 12: Halloween Fury 3 was a mixed martial arts event promoted by World Extreme Cagefighting on October 21st, 2004 at the Tachi Palace Hotel & Casino in Lemoore, California. The card featured many future superstars such as Jason "The Punisher" Lambert, Nate Diaz, Brad Imes, Chris "Lights Out" Lytle, "The Sandman" James Irvin, Joe "Diesel" Riggs, Chael Sonnen, and MMA legend "Mr. International" Shonie Carter. The main event saw Doug Marshall take on Carlos Garcia.
Lambert defeated Horwich via Submission (Punches) at 3:28 of round 2.
- Nate Diaz vs Alex Garcia
Diaz defeated Garcia via Submission (Triangle Choke) at 2:17 of round 3.
- Troy Miller vs Tom Owens
Miller defeated Owens via TKO (Knee Injury) at 3:56 of round 2.
- Heavyweight bout: Brad Imes vs Jeremy Freitag
Imes defeated Freitag via Split Decision at 5:00 of round 3.
- Middleweight bout: Mark Weir vs Will Bradford
Weir defeated Bradford via Submission (Guillotine Choke) at 2:11 of round 1.
Ruediger defeated Alfonso via Submission (Rear Naked Choke) at 3:05 of round 1 to become the new WEC Lightweight Champion.
- Welterweight bout: Chris Lytle vs JT Taylor
Lytle defeated Taylor via Submission (Guillotine Choke) at 2:53 of round 1.
- Tosh Cook vs Rafeal del Real
Cook defeated del Real via Submission (Triangle Choke) at 1:34 of round 1.
Martinez defeated Martin via TKO (Punches) at 4:41 of round 2.
- James Irvin vs Houssain Oushani
Irvin defeated Oushani via KO (Punch) at 2:27 of round 1 to remain the WEC Heavyweight Champion.
- Joe Riggs vs Isidro Gonzalez
Riggs defeated Gonzalez via TKO (Punches and Elbows) at 1:50 of round 1.
Sonnen defeated Stiebling via Decision (Unanimous) at 5:00 of round 3.
- Shonie Carter vs Jody Poff
Carter defeated Poff via Submission (Rear Naked Choke) at 3:48 of round 1.
- Doug Marshall vs Carlos Garcia
Marshall defeated Garcia via KO at 2:46 of round 1.