Check out the best photos from Mauricio Ruffy ’s first-round knockout win over King Green at UFC 313 at T-Mobile Arena in Las Vegas. (Photos by Stephen R. Sylvanie, USA Today Sports; MMA Junkie; UFC)

Mauricio Ruffy may have locked up Knockout of the Year just two minutes into the UFC 313 main card. Ruffy scored a highlight-reel spinning kick to the head of King Green, sending him down and out to kick off Saturday's pay-per-view from T-Mobile Arena in Las Vegas.

UFC 313 has already gotten off to a huge start, as there have been plenty of finishes in the prelims. However, the main card opened up with a lightweight bout between Mauricio Ruffy and King Green. Ruffy and Green were going after one another in the first round,

The pair headline UFC 313 from T-Mobile Arena in Las Vegas. Pereira made his UFC debut in November 2021 and has already put together a career worthy of the Hall of Fame. After beating Israel Adesanya to win the middleweight title,

Tomorrow night in the co-main event of UFC 313, we are going to see a rematch between two top ten lightweight contenders. Former interim lightweight and BMF champion Justin Gaethje (25-5) will take on a familiar foe in the returning Rafael Fiziev (12-3).

Justin Gaethje comes into his UFC 313 bout vs Rafael Fiziev as a +125 underdog despite being the third ranked lightweight in the UFC.