WATCH: Ok Rae Yoon shocks former UFC champion and legend Eddie Alvarez in ONE Championship

Former undisputed ONE lightweight MMA world champion Ok Rae Yoon of South Korea isn't the most charismatic fighter on the ONE Championship roster. But what he lacks in personality, he more than makes up for in fighting ability.

In fact, the 33-year-old has consistently taken out the top competition in the world's martial arts organization. If you want proof of this, look no further than his April 2021 bout against none other than legendary MMA fighter and former UFC lightweight champion 'The Underground King' Eddie Alvarez.

At ONE on TNT IV, no one expected Ok to beat Alvarez, let alone dominate him. But the South Korean slugger had a solid game plan in place and executed it to near perfection.

The result was a unanimous decision victory across the board and a collective dropping of jaws on the floor.

Looking back on the fight, check out the highlights below and see for yourself how Ok was able to pull off this incredible performance against an all-time great.

Needless to say, Ok Rae Yoon is a highly skilled and immensely talented fighter. When he steps back into the ring, he will get the chance to compete for the ONE Championship gold yet again.

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Ok Rae Yoon to face undefeated Alibeg Rasulov for interim lightweight MMA gold at ONE Fight Night 23 on Prime Video

Former lightweight MMA king Ok Rae Yoon of South Korea is set to lock horns against undefeated Turkish sensation Alibeg Rasulov for the ONE interim lightweight MMA world title.

The two lock horns at ONE Fight Night 23: Ok vs. Rasulov on Prime Video, which broadcasts live from the iconic Lumpinee Boxing Stadium in Bangkok, Thailand.

Fans in the United States and Canada can catch all the action live and absolutely free on Amazon Prime Video beginning at 8:00 p.m. ET on Friday, July 5th.