Regardless of what the contract says, there was recently a court case where a guy was talking shit about his work and boss on Facebook. A judge ruled, setting a broad precedent, that someone cannot be terminated from employment for something they say on their social networking site.
He is a sub contractor, he doesnt technically work for Zuffa.
Torres should have said a friend played a prank on him when he left his Facebook signed in.
Matt Phillips - He is a sub contractor, he doesnt technically work for Zuffa.
Exactly ... more like "not hire"
Good for you Americans if true. Know for a fact it's not the case in Canada
He can do what ever he feels like... 
"at will"