As fight night in UFC Atlanta approaches, the spotlight shines bright on Joaquin “New Mansa” Buckley, who is set to take on the biggest challenge of his career — a showdown with former welterweight king Kamaru Usman.

Ian Machado Garry 'Kamaru Usman should be RETIRED' say Joaquin Buckley will  RUN through him - YouTube

Before Buckley enters the Octagon against one of the most dominant wrestlers in UFC history, fans are taking the time to rewatch one of his most pivotal performances to date:
His three-round battle against the elusive and legendary striker Stephen “Wonderboy” Thompson.

Here’s why that fight still matters — and what it told us about Buckley’s evolution as a fighter.

Kamaru Usman responds to Joaquin Buckley's callout: 'Take a number and get  in line'

A Closer Look: Buckley vs. Thompson

The fight, which took place in late 2023, was billed as a classic striker vs. striker matchup — but with a twist. While Wonderboy was the more experienced and technically refined karate master, Buckley brought raw power, explosiveness, and pressure that Thompson hadn’t faced in years.

Kamaru Usman fera son grand retour contre Joaquin Buckley en tête d'affiche  de l'UFC Fight Night 257 en juin - Boxemag

Stephen Thompson:

Known for his distance control, footwork, and ability to frustrate even elite strikers.

Entered the fight as a betting favorite thanks to his resume and style.

 

Kamaru Usman: 'I'm better than anybody in the world at this' | British GQ

Joaquin Buckley:

A viral KO machine with aggressive forward movement and finishing instincts.

Coming into the bout with a win streak and growing confidence.

 

Kamaru Usman: 'I'm better than anybody in the world at this' | British GQ

Fight Recap Highlights

Round 1: Thompson used his trademark lateral movement, landing crisp kicks and straight punches while keeping Buckley at bay. Buckley struggled to find his rhythm early but showed patience and composure.

Kamaru Usman fera son grand retour contre Joaquin Buckley en tête d'affiche  de l'UFC Fight Night 257 en juin - Boxemag

 

Round 2: Buckley began to cut off the cage more effectively, landing heavy body shots and leg kicks that slowed Thompson’s movement. A notable moment came when Buckley caught a kick and countered with a thunderous left hook that briefly stunned Wonderboy.

Análisis: el impresionante nocaut de Kamaru Usman sobre Jorge Masvidal | CNN

 

Round 3: In a surprising twist, Buckley attempted a takedown late in the round — signaling a shift in his game plan. Thompson recovered and fired back with spinning attacks, but Buckley’s forward pressure was undeniable.

Kamaru Usman cree que Alex Pereira 'aún no merece' estar tan arriba en el  ranking P4P

 

Though Thompson ultimately won via unanimous decision, it was far from a blowout. Many praised Buckley for showing improved fight IQ, patience, and cardio — traits he had been previously criticized for lacking.

Former UFC welterweight champion eyes for a bout against the winner of UFC  Fight Night 255 | MMA News - The Times of India

What the Fight Showed Us About Buckley

He’s not just a highlight-reel KO artist.
Buckley proved he can hang with elite-level strikers over three rounds, even when he doesn’t get the finish.

UFC welterweight champion Kamaru Usman undergoes hand surgery - UPI.com

He can adjust mid-fight.
Buckley made real-time changes — from chasing knockouts to investing in bodywork and controlling cage position.

Joaquin Buckley vs Stephen Thompson | Full Fight | UFC Atlanta - YouTube

He’s evolving as a complete martial artist.
The attempted takedowns and defensive awareness against one of the UFC’s most technical fighters were signs of a maturing fighter.

Joaquin Buckley Calls For Title Fight Before Islam Makhachev After UFC  Atlanta: 'He Thinks He's Gonna Take My Spot'

Looking Ahead: Buckley vs. Usman

Against Kamaru Usman, Buckley faces a very different challenge. Unlike Thompson, Usman is a pressure wrestler with a championship pedigree, granite chin, and deep gas tank.

Joaquin Buckley tvivlar på Islam Makhachev: "GÅ I PENSION"

But the Buckley we saw against Wonderboy isn’t the same reckless brawler from 2020. He’s more measured, more strategic — and potentially, more dangerous than ever.

Joaquin Buckley EXPOSES Islam Makhachev's Real Plan at 170! - YouTube

Rewatching the Thompson fight isn’t just about nostalgia — it’s about understanding how far Buckley has come, and how much of a threat he truly is heading into Atlanta.

Joaquin Buckley Flags Last-Minute Setback in Islam Makhachev Challenge Over  Crucial Detail - EssentiallySports

Where to Watch the Full Fight

UFC has made the full Buckley vs. Thompson bout available on YouTube and UFC Fight Pass ahead of UFC Atlanta.
Now’s the perfect time to revisit it, break it down, and prepare for fireworks this weekend.