UFC 309 live updates: Results, round-by-round coverage of every fight

Main event

Jorge Masvidal steps into the Octagon for the first time after a unanimous decision loss to Colby Covington in March. Masvidal will look to get back on the winning track as he faces Leon Edwards in the welterweight main event.

Masvidal is one of the UFC's most popular fighters, and he has a long history of putting on exciting fights. He is a powerful striker with a knack for finishing fights, and he will be looking to add another highlight-reel knockout to his resume against Edwards.

Edwards is a rising star in the welterweight division, and he is coming off a impressive win over Nate Diaz in June. Edwards is a skilled striker with a strong wrestling game, and he will be looking to use his well-rounded skills to defeat Masvidal.

Co-main event

The co-main event of UFC 309 features a middleweight bout between Paulo Costa and Marvin Vettori.

Costa is a powerful striker with a devastating left hook. He is also a strong wrestler, and he has a knack for finishing fights in the first round.

Vettori is a tough and durable wrestler. He is coming off a win over Kevin Holland in April, and he will be looking to continue his rise up the middleweight rankings with a victory over Costa.