Mixed Martial Arts Promotion
Extreme Cagefighting Organization
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Name:
Extreme Cagefighting Organization
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Headquarters:
Wisconsin
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Acronyms:
ECO
ECO Events
Extreme CO 8
Saturday, March 19, 2011
Extreme CO 7
Saturday, August 21, 2010
Extreme CO 6
Saturday, July 10, 2010
Extreme CO 5
Saturday, May 08, 2010
Extreme CO 4
Saturday, March 20, 2010
Extreme CO 3
Saturday, January 16, 2010
Extreme CO 2
Saturday, November 14, 2009
Extreme CO 1
Saturday, August 29, 2009