2004 — Present
The Archive
Founded by Jeff Curran, Dan Lardy and Monte Cox in 2004, the Xtreme Fighting Organization has been the Midwest's proving ground for over two decades — 83 events from the Abbey Resort to Sideouts, and alumni who went on to fight on the sport's biggest stages.
Set in Stone
Notable Alumni
Fighters who cut their teeth on XFO cards before stepping onto the sport's biggest stages.
Forged in XFO
The Proving Ground
★ Founder ★
Jeff Curran
UFC · WEC · PRIDE · Bellator · Strikeforce · IFL
XFO co-founder who fought in six major promotions and challenged Urijah Faber for the WEC featherweight title at WEC 31.
Clay Guida
UFC · Strikeforce
37 UFC fights, inaugural Strikeforce Lightweight Champion, and a UFC Hall of Fame bout (vs. Diego Sanchez).
Bart Palaszewski
IFL · UFC · WEC
IFL champion with the Quad City Silverbacks who handed Anthony Pettis his first pro loss and won UFC Knockout of the Night at UFC 137.
Pat Curran
Bellator
Two-time Bellator Featherweight World Champion — one of the best featherweights of his era.
Felice Herrig
UFC · Bellator · Invicta FC
TUF 20 cast member who went on to a 10-fight UFC strawweight run and once ranked among the division's top contenders.
Raphael Assuncao
UFC · WEC
Longtime top-5 UFC bantamweight — 18 UFC bantamweight bouts, tied for fourth-most in division history.
Will Brooks
Bellator · UFC · PFL
Bellator Lightweight World Champion (2014-2016) with two title defenses before moving to the UFC and PFL.
Daniel Straus
Bellator
Two-time Bellator Featherweight World Champion, beating Pat Curran and Patricio Pitbull for the belt.
Mike Russow
UFC · PRIDE
Chicago cop who scored one of UFC history's great comeback KOs, flattening Todd Duffee at UFC 114.
Erik Koch
UFC · WEC
WEC Knockout of the Night winner who was twice booked to fight Jose Aldo for the UFC featherweight title.
MMIV — The Midwest's Proving Ground
2025
2019
XFO - Outdoor War 15Fight card →
Aug 3, 2019 · Sideouts Bar & Eatery · Island Lake, Illinois
XFO - Night of Champions
Apr 6, 2019 · Woodstock Harley-Davidson · Woodstock, Illinois
2018
XFO - Rocktown Showdown 34
Nov 24, 2018 · Giovanni's · Rockford, Illinois
XFO - Fight NightFight card →
Oct 13, 2018 · H.O.M.E. Bar · Arlington Heights, Illinois
XFO 63 - Outdoor War 14Full results →
Aug 4, 2018 · Sideouts Bar & Eatery · Island Lake, Illinois
XFO - Noche De Lucha
Jun 8, 2018 · Milk Bail Banquets · East Dundee, Illinois
XFO - Rocktown Showdown 33Fight card →
May 19, 2018 · Giovanni's · Rockford, Illinois
XFO 62 - Xtreme Fighting Organization 62Full results →
Feb 17, 2018 · Woodstock Harley-Davidson · Woodstock, Illinois
2017
XFO - Rocktown Showdown 30Full results →
Jun 30, 2017 · Giovanni's · Rockford, Illinois
XFO 61 - Xtreme Fighting Organization 61
May 6, 2017 · Waukesha County Expo Center · Waukesha, Wisconsin
XFO 60 - Xtreme Fighting Organization 60Full results →
Mar 11, 2017 · UIC Forum · Chicago, Illinois
XFO - Rocktown Showdown 29Full results →
Feb 25, 2017 · Giovanni's · Rockford, Illinois
2016
XFO 59 - Xtreme Fighting Organization 59Full results →
Dec 2, 2016 · UIC Forum · Chicago, Illinios
XFO - Rocktown Showdown 28
Nov 25, 2016 · Giovanni's · Rockford, Illinois
XFO - Fight NightFull results →
Oct 22, 2016 · H.O.M.E. Bar · Arlington Heights, Illinois
XFO 59 - Outdoor War 12Full results →
Aug 6, 2016 · Sideouts Bar & Eatery · Island Lake, Illinois
XFO - Rocktown Showdown 27
Jun 18, 2016 · Giovanni's · Rockford, Illinois
XFO 58 - Xtreme Fighting Organization 58Full results →
May 20, 2016 · Grand Geneva Resort · Lake Geneva, Wisconsin
XFO - Rocktown Showdown 26Full results →
Mar 19, 2016 · Clock Tower Resort · Rockford, Illinois
XFO - X-Treme Fight NightFull results →
Feb 26, 2016 · UIC Pavilion · Chicago, Illinois
2015
2014
XFO 54 - Xtreme Fighting Organization 54Full results →
Nov 22, 2014 · UIC Pavillion · Chicago, Illinois
XFO 53 - Xtreme Fighting Organization 53Full results →
Oct 11, 2014 · UIC Pavillion · Chicago, Illinois
XFO 52 - Outdoor War 10Full results →
Aug 9, 2014 · Sideouts Bar & Eatery · Island Lake, Illinois
XFO 51 - Xtreme Fighting Organization 51Full results →
May 31, 2014 · UIC Pavilion · Chicago, Illinois
XFO 50 - Xtreme Fighting Organization 50Full results →
Mar 21, 2014 · UIC Pavilion · Chicago, Illinois
2013
XFO 49 - Xtreme Fighting Organization 49Full results →
Dec 13, 2013 · Sears Centre Arena · Hoffman Estates, Illinois
XFO 48 - Outdoor War 9Full results →
Aug 10, 2013 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO 47 - Xtreme Fighting Organization 47Full results →
Mar 29, 2013 · Copernicus Center · Chicago, Illinois
2012
XFO 46 - Xtreme Fighting Organization 46Full results →
Nov 17, 2012 · Sears Centre Arena · Hoffman Estates, Illinois
XFO 45 - Outdoor War 8Full results →
Aug 18, 2012 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO 44 - Xtreme Fighting Organization 44Full results →
Jun 16, 2012 · Sears Centre Arena · Hoffman Estates, Illinois
XFO 43 - Xtreme Fighting Organization 43Full results →
Apr 13, 2012 · Sears Centre Arena · Hoffman Estates, Illinois
XFO FN - Xtreme Fighting Organization Fight NightFull results →
Jan 21, 2012 · Offsides Bar & Grill · Woodstock, Illinois
2011
XFO 42 - Xtreme Fighting Organization 42Full results →
Dec 10, 2011 · Sears Centre Arena · Hoffman Estates, Illinois
XFO 41 - Outdoor War 7Full results →
Sep 3, 2011 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO - Xtreme Fighting Organization 40Full results →
Jun 25, 2011 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 39Full results →
May 13, 2011 · Sears Centre Arena · Hoffman Estates, Illinois
XFO - Xtreme Fighting Organization 38Full results →
Jan 22, 2011 · Woodstock · Illinois
2010
XFO - Xtreme Fighting Organization 37Full results →
Dec 4, 2010 · Lakemoor Banquets · Lakemoor, Illinois
XFO 36 - Outdoor War 6Full results →
Aug 14, 2010 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO - Xtreme Fighting Organization 35Full results →
Jun 5, 2010 · Gateway Theatre · Chicago, Illinois
XFO - Xtreme Fighting Organization 33Full results →
Jan 23, 2010 · Gateway Theatre · Chicago, Illinois
2009
XFO 34 - Curran vs. HoriFull results →
Dec 5, 2009 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 32Full results →
Oct 10, 2009 · Marino's Country Aire Banquet Hall · New Munster, Wisconsin
XFO 31 - Outdoor War 5Full results →
Aug 15, 2009 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO - Xtreme Fighting Organization 30Full results →
May 2, 2009 · Marino's Country Aire Banquet Hall · New Munster, Wisconsin
XFO - Xtreme Fighting Organization 29Full results →
Apr 17, 2009 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 28Full results →
Feb 27, 2009 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - New BloodFull results →
Feb 7, 2009 · Marino's Country Aire Banquet Hall · New Munster, Wisconsin
2008
XFO - Xtreme Fighting Organization 27Full results →
Dec 6, 2008 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 26Full results →
Aug 30, 2008 · Marino's Country Aire Banquet Hall · Burlington, Wisconsin
XFO 25 - Outdoor War 4Full results →
Aug 9, 2008 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO - Xtreme Fighting Organization 24Full results →
Jun 8, 2008 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO 23 - Title NightFull results →
Apr 25, 2008 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO 22 - Rising StarFull results →
Feb 23, 2008 · Lakemoor Banquet Facility · Lakemoor, Illinois
2007
XFO - Xtreme Fighting Organization 21Full results →
Dec 1, 2007 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 20Full results →
Oct 19, 2007 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO 19 - Outdoor War 3Full results →
Aug 11, 2007 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO - Xtreme Fighting Organization 18Full results →
Jun 30, 2007 · Wisconsin Dells Center · Wisconsin Dells, Wisconsin
XFO - Xtreme Fighting Organization 17Full results →
Jun 2, 2007 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 16Full results →
May 5, 2007 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 15Full results →
Mar 24, 2007 · Lakemoor Banquet Facility · Lakemoor, Illinois
2006
XFO - Xtreme Fighting Organization 14Full results →
Dec 9, 2006 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO 13 - Operation BeatdownFull results →
Nov 11, 2006 · Sears Centre Arena · Hoffman Estates, Illinois
XFO 12 - Outdoor War 2Full results →
Aug 19, 2006 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO 11 - ChampionsFull results →
Jun 17, 2006 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO 10 - ExplosionFull results →
Mar 18, 2006 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 9Full results →
Jan 28, 2006 · Lakemoor Banquet Facility · Lakemoor, Illinois
2005
XFO - Xtreme Fighting Organization 8Full results →
Dec 10, 2005 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Trials 2Full results →
Oct 8, 2005 · Holiday Inn Conference Center · Crystal Lake, Illinois
XFO 7 - Outdoor WarFull results →
Aug 27, 2005 · Sideouts Bar and Eatery · Island Lake, Illinois
XFO - Trials 1Full results →
Jul 30, 2005 · Holiday Inn Conference Center · Crystal Lake, Illinois
XFO 6 - Judgement DayFull results →
Jun 25, 2005 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 5Full results →
Mar 19, 2005 · Lakemoor Banquet Facility · Lakemoor, Illinois
2004
XFO 4 - InternationalFull results →
Dec 3, 2004 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO - Xtreme Fighting Organization 3Full results →
Oct 2, 2004 · Lakemoor Banquet Facility · Lakemoor, Illinois
XFO 2 - New BloodFull results →
Jun 26, 2004 · Abbey Resort and Spa · Fontana, Wisconsin
XFO 1 - The KickoffFull results →
Mar 14, 2004 · Abbey Resort and Spa · Fontana, Wisconsin