Helwani: Khabib is the most dominant fighter in UFC history

Helwani: Khabib is the most dominant fighter in UFC history

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Ariel Helwani doesn't know if Khabib Nurmagomedov is the GOAT or best fighter in UFC history, but is certain he is the most dominant. For more UFC, sign up here for ESPN+ http://plus.espn.com/ufc