Over the past 20 years, more than 1,000 fighters have come through the UFC ranks. You have Royce Gracie, who holds the record for most submissions with 11. Anderson Silva sits atop the all-time KO list with 11 knockouts. Then you have Georges St-Pierre and Matt Hughes, who are tied for the most wins in Ultimate Fighting Championship history with 18. But which fighter has been the best of the past two decades? Set your rankings below!