The UFC 303 Pre-Fight Press Conference took place on Thursday at T-Mobile Arena in Las Vegas.  The entire main card participated in the promotional event and faced off with their opponents ahead of Saturday’s fights.   UFC 303 is headlined by a middleweight championship rematch between champion Alex Pereira and former titleholder Jiri Prochazka . The two first fought at UFC 295 last November with Pereira finishing Prochazka in the second round via technical knockout