It was purchased by Zuffa , LLC , the parent company of the Ultimate Fighting Championship ( UFC ) , in 2006 .
World Extreme Cagefighting ( WEC ) was an American mixed martial arts ( MMA ) promotion founded in 2001 .
World Extreme Cagefighting was purchased by Zuffa , LLC , the parent company of the Ultimate Fighting Championship ( UFC ) , in 2006 .
World Extreme Cagefighting ( WEC ) was an American mixed martial arts ( MMA ) promotion founded in 2001 .