This is from Wikipedia
Adrenaline MMA (formerly known as M-1 Global) is a Mixed Martial Arts organization that was created in October 2007 as a result of M-1 Mixfight being purchased by Sibling Sports, LLC. Monte Cox was announced as the inagural president in 2007.
The promotion co-produced it's first event, Yarennoka, a New Years Eve event co-produced with K-1. PRIDE heavyweight champion Fedor Emelianenko appeared on the card, fighting K-1 kickboxer Hong-Man Choi, submitting him via armbar in the first round.
M-1's future come under question as the organization's star fighter, Fedor Emelianenko, "divorced" himself from the organization and is once again a free agent able to sign with another promotion . It was shortly after this point that M-1 Global re-organized it's Western branch into Adrenaline MMA and separated itself from it's Russian counterpart, M-1 Mixfight. However, Emelianenko is still willing to work with Adrenaline MMA in future events, as evidenced by their next event.
The Adrenaline's second fight card will be a co-promotion with Affliction Clothing scheduled for July 19, 2008. The namedAffliction Banned it will be headlined by a super fight between Fedor Emelianenko and Tim Sylvia. Confirmed to be fighting on the card is PRIDE Heavyweight contender, Josh Barnett against Pedro Rizzo, International Fight League Heavyweight standout Ben Rothwell is rumored to be fighting on the card against former UFC Heavyweight champion and long time rival of Tim Sylvia, Andrei Arlovski.
So It's basically that Monty Cox bought Adreniline MMA and the rest is history or is going to be history