Alexandre Pantoja remained the flyweight champion after defeating Steve Erceg via unanimous decision in the main event of UFC 301 on Saturday. The first three rounds were extremely close but leaned toward Pantoja, while Erceg dominated the fourth round. With less than two minutes remaining, Erceg went for a takedown, but Pantoja quickly reversed and landed on top, closing the fight with some ground-and-pound. In 25 minutes of back-and-forth action, Pantoja landed nine takedowns and 125 significant strikes. Pantoja is the first champion since Demetrious Johnson was the inaugural champion actually to defend the title twice with victories in both bouts.

Steve Erceg came up short at UFC 301, losing to flyweight champion, Alexandre Pantoja, in his first-ever UFC title fight. It was a back-and-forth war over five rounds, and it seemed like the fight would be decided in a fifth and final round. In the end, it was Pantoja who won via unanimous decision (48-47, 48-47, 49-46). In 25 minutes of action, Erceg landed a takedown and 111 significant strikes. With the loss, Erceg's UFC record is 3-1.

Ihor Potieria suffered a first-round submission loss to Michel Pereira at UFC 301. Within moments, Pereira dropped Potieria to the ground. There was some controversy shortly after that as Pereira went for a backflip and landed with his shin on Potieria's head. As Potieria was standing up he got caught in a standing guillotine. In 54 seconds of action, Potieria landed only two significant strikes. There is a debate among fans after the fight over whether Pereira's knee strike was legal and how much it affected Potieria.

Michel Pereira extended his winning streak to eight by submitting Ihor Potieria in the first round at UFC 301. After knocking down Potieria, Pereira went for his signature backflip that ended with his knee connecting with Potieria's face. As Potieria attempted to get up, Pereira caught him with a standing guillotine choke which ended the fight. In 54 seconds of action, Pereira landed six significant strikes.