After arguably one of the most vicious knockouts in UFC history, Mauricio Ruffy knows exactly what he wants next.

This past Saturday in the main card opener at UFC 313, we saw a big time lightweight prospect face his toughest challenger to date. The exciting Mauricio Ruffy (12-1) was looking to move to 3-0 inside the octagon as he took on King Green (32-17-1).

Mauricio Ruffy opened the UFC 313 main card with a Knockout of the Year contender against King Green.

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.

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-ufc-313-official-weigh-ins king-green-ufc-313-official-weigh-ins mauricio-ruffy-ufc-313-ceremonial-weigh-ins king-green-ufc-313-ceremonial-weigh-ins king-green-vs-mauricio-ruffy-ufc-313-ceremonial-weigh-ins-faceoff MMA: UFC 313 - Las Vegas-Green vs Ruffy MMA: UFC 313 - Las Vegas-Green vs Ruffy Mauricio Ruffy def.

The 28-year-old’s audacious display set social media on fire, with fans and even some pundits claiming it as the knockout of the year.

Beneil Dariush is open to fighting Mauricio Ruffy after the Brazilian got a highlight-reel KO win at UFC 313 on Saturday.

Mauricio Ruffy's emphatic knockout victory at UFC 313 positions him as a rising contender in the lightweight division. After defeating King Green, Ruf