Bellator star Corey Anderson -- who was dominating his light heavyweight title fight before an inadvertent headbutt ended the fight without a decision -- tells TMZ Sports Vadim Nemkov's mentor and trainer, MMA legend Fedor Emelianenko, was talking s**t after the fight.
"When I got worked up that's cause of Fedor came in and said 'You don't win. You headbutt. You don't win.' Like motherf***er, what? Excuse my language. Like, really Fedor? You gonna say that? So you're trying to tell me I wasn't beating your guy? I wasn't winning this fight?