[PAR] [TLE] Erik Koch [SEP] Erik Jon Koch (born October 4, 1988) is an American mixed martial artist who currently fights as a Lightweight in the Ultimate Fighting Championship.  A professional competitor since 2007, he formerly competed for the WEC. [PAR] [TLE] World Extreme Cagefighting [SEP] World Extreme Cagefighting (WEC) was an American mixed martial arts (MMA) promotion founded in 2001.  It was purchased by Zuffa, LLC, the parent company of the Ultimate Fighting Championship (UFC), in 2006.  In its final incarnation, it was made up of 3 weight classes: 135 lb , 145 lb and 155 lb .  To accommodate the smaller fighters, WEC's cage was 25 feet in diameter—5 feet smaller than the standard UFC cage.
[PAR] [TLE] Erik Koch [ SEP ] Erik Jon Koch ( born October 4 , 1988 ) is an American mixed martial artist who currently fights as a Lightweight in the Ultimate Fighting Championship . A professional competitor since 2007 , he formerly competed for the WEC . [PAR] [TLE] World Extreme Cagefighting [ SEP ] World Extreme Cagefighting ( WEC ) was an American mixed martial arts ( MMA ) promotion founded in 2001 . It was purchased by Zuffa , LLC , the parent company of the Ultimate Fighting Championship ( UFC ) , in 2006 . In its final incarnation , it was made up of 3 weight classes : 135 lb , 145 lb and 155 lb . To accommodate the smaller fighters , WEC 's cage was 25 feet in diameter—5 feet smaller than the standard UFC cage .
Erik Koch formerly competed for the MMA promotion founded in what year?
Erik Koch formerly competed for the MMA promotion founded in what year ?
2001
2001