UFC 303 was expected to be headlined by Conor McGregor ‘s octagon return against Michael Chandler but McGregor was forced out due to a toe injury. Once McGregor fell out of the event, the fight card went through a major transformation including getting a new main event. A middleweight championship rematch between champion Alex Pereira and former titleholder Jiri Prochazka headlined UFC 303 on Saturday. The two first fought at UFC 295 last November with Pereira finishing Prochazka in the second round via technical knockout. Prochazka entered the fight coming off a TKO win over Aleksandar Rakic at UFC 300 in April.
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Alex Pereira knocks Jiri Prochazka out in UFC 303 main event – MMA Weekly