Chang Sung Jung made a triumphant return to the octagon at Saturday night’s UFC Fight Night 104, live from the Toyota Center in Houston, Texas.

Despite not competing since august of 2013, The Korean Zombie was able to knock Dennis Bermudez unconscious with a powerful uppercut early in the first round.

Check out the tweets below to see how the pros reacted to Chang Sung Jung’s highlight reel KO of Bermudez, Felice Herrig’s decision win against Alexa Grasso, James Vick’s come from behind submission victory over Abel Trujillo and more.

Chang Sung Jung VS Dennis Bermudez

Slick head movement and uppercut! Welcome back Zombie! Lots of fun match-ups ahead! #UFCHouston — Dan Hardy (@danhardymma) February 5, 2017

Wow! Congrats to @KoreanZombieMMA whos been training this whole time away! Had me fooled. Hope it was worth missing out on all them pay days https://t.co/DHS1AIcy3E — Stephan Bonnar (@StephanBonnar) February 5, 2017

Congrats to Jung aka The Korean Zombie! Been a fan of his since the WEC. Was pulling for Dennis, as he was looking great too.#UFCHOUSTON — Aljamain Sterling (@funkmasterMMA) February 5, 2017

Wow zombie!!!! That was 3 years of anger in that uppercut #UFCHOUSTON — Belal Muhammad (@bullyb170) February 5, 2017

Definitely some ring rust but he dusted it off like a champ! Welcome back KZ 👏🏽 #UFCHouston — Cub Swanson (@CubSwanson) February 5, 2017

Just when it looked like Zombie might be in trouble, he KO's Bermudez. #UFCHOUSTON — The Mane Event™ (@EliasTheodorou) February 5, 2017

Felice Herrig VS Alexa Grasso

You can't deny experience. Herring is finally using that to her advantage. #UFCHouston — Jessica Jag Aguilar (@jagatt) February 5, 2017

I think the multi-coloured braids are confusing Grasso. #UFCHOUSTON — The Mane Event™ (@EliasTheodorou) February 5, 2017

This doesn't look like the grasso that I've been looking at specially in her debut. Felice landing that right continuously — Brian Ortega (@BrianTcity) February 5, 2017

Great performance by @feliceherrig, then calling out @karatehottiemma. Bold move, respect that. But then calling her chubby.Dick move! @ufc — Stephan Bonnar (@StephanBonnar) February 5, 2017

Judges actually got it right. Kind of shocked. #UFCHOUSTON — The Mane Event™ (@EliasTheodorou) February 5, 2017

Looks like a little girl fighting a women. Grasso took to long to open up. She's got the skills was it a mental thing or was felice on 🔥. — Brian Ortega (@BrianTcity) February 5, 2017

James Vick VS Abel Trujillo

Dang booooyyyyyy!!!!!!!! That was dope @JamesVickMMA — Phil Davis (@PhilMrWonderful) February 5, 2017

Sick Darce choke!! Beautiful Jiu Jitsu @ufc — Brian Ortega (@BrianTcity) February 5, 2017

Not gonna lie, I didn't think Vick could pull off the win (although in MMA anything can happen). Big improvements & great finish#UFCHouston — Aljamain Sterling (@funkmasterMMA) February 5, 2017

Vick takes the finish in the 3rd! What a card and we still have the return of The Korean Zombie #UFCHouston — scott askham (@scottaskham1) February 5, 2017

Volkan Oezdemir VS Ovince Saint Preux

I thought OSP had two rounds but Texas judging… #ufchouston https://t.co/ZfIYn4VS52 — The Mane Event™ (@EliasTheodorou) February 5, 2017

These guys are so tired and landing like 10% of their strikes 😂 #UFCHouston — Cub Swanson (@CubSwanson) February 5, 2017

Michael Fortuna VS Anthony Hamilton

That's a heavy boy who just hit the canvas. — Brian Ortega (@BrianTcity) February 5, 2017

Well, that wasn't a slip!!! Holy upset, Batman. #ufchouston — The Mane Event™ (@EliasTheodorou) February 5, 2017

WOOOOOWWWW!!! What a right hand! #ufchouston — Corey 'Overtime' Anderson (@CoreyA_MMA) February 5, 2017

Angela Hill VS Jessica Andrade

Holy crap!! Was this the most strikes ever landed in a @ufc women's 3 round fight??!!! #ANDRADEvsHILL — Alan Jouban (@AlanJouban) February 5, 2017

https://twitter.com/thebigticket205/status/828085634875142145

That was what you call a girl fight!! 👊🏽💥 @ufc — Brian Ortega (@BrianTcity) February 5, 2017