#2 Fedor Emelianenko
Fedor Emelianenko inside a UFC octagon may seem like a long shot in 2019 given he and UFC have been unable to agree on terms ever since Pride FC closed its doors in early 2007. UFC President, Dana White has made no secret of his desire to land "The Last Emperor", unquestionably the highest profile fighter to never fight for the company.
There is every chance that Emelianenko will become Bellator Heavyweight Champion in January 2019 when he takes on Ryan Bader in a tournament final for the vacant strap.
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Should he win that belt, then he will be one of the most, if not the most sought after MMA fighter in the world. With fights remaining on his lucrative contract with Bellator, UFC will not be able to prise him away from their rivals but as they did with Pride in the past, UFC have demonstrated a willingness to work with their competition when it benefits both sides.
A superfight pitting the Bellator Heavyweight Champion versus the UFC Heavyweight Champion on a co-promoted card would be a massive money maker for everyone and is the reason that Emelianenko as UFC Heavyweight Champion is not as inconceivable as it may first appear.