Conor McGregor's brutal rematch with Nate Diaz, Justin Gaethje and Michael Chandler smashing each other to pieces or Jon Jones' biggest test? Top 10 fights in UFC history ranked ahead of tricentenary at UFC 300

It took 16 years for the UFC to bring up their century and another seven for the double hundred. This Saturday night will see the world's leading MMA promotion celebrate UFC 300.