Karl Williams

Karl Williams

10-2-0

About

A 36-year-old UFC heavyweight who transitioned to PFL, grinding through a tough stretch with limited wins but steady work against tough opposition.

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Karl Williams is a 36-year-old heavyweight who has spent the last two years on a difficult losing streak, but maintains a steady work ethic and no-nonsense approach to his sport. He came through regional MMA and earned respect in the UFC with a 3-1 record there, including a clean unanimous decision over Justin Tafa in March 2024. That victory remains his most recent win, and since then he has lost four consecutive fights across his final UFC appearances and early PFL tenure.

At 6 foot 3 and 260 pounds, Williams fights as a measured, experience-based heavyweight who relies on his knowledge of the sport and his willingness to trade with young prospects. He is not known as a finisher or a flashy striker, but rather as a composed competitor who shows up and competes three rounds. His recent losses have come via decision to rising talent and established prospects, suggesting he is settling into a gatekeeper role on smaller cards.

What sets Williams apart in a crowded heavyweight landscape is his transparency and mental resilience. After his fourth consecutive defeat in early 2026, he was candid in interviews about the streak, refusing to make excuses and noting that he trains as hard as he can with elite partners like Francis Ngannou. He acknowledges he cannot control what others do on the other side of the cage, only his own preparation. For fans who value grinders and fighters who stay in the arena despite adversity, Williams represents the unglamorous backbone of combat sports: a veteran who keeps fighting, keeps competing, and keeps learning, even when the results are not going his way.

Why fans love Williams

Williams displays mental toughness and accountability; he openly acknowledges his struggles without making excuses, telling an interviewer 'The results have been the results' and focusing on what he can control in the gym. His willingness to train with elite fighters like Francis Ngannou and keep competing through a losing streak shows grit.

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PFL Sioux Falls 2026Sat, May 2, 2026
MaxwellDjantounana
Maxwell Djantounana
vs
Karl Williams
KarlWilliams
PFL: Nurmagomedov vs DavisSat, Feb 7, 2026
5.0
(1)
PouyaRahmani
Pouya Rahmani
vs
Karl Williams
KarlWilliams
10 2025Thu, Aug 21, 2025
5.0
(1)
SergeyBilostenniy
Sergey Bilostenniy
vs
Karl Williams
KarlWilliams
2025 4Thu, May 1, 2025
4.5
(2)
KarlWilliams
Karl Williams
vs
OP
OlegPopov
UFC Fight Night Tybura vs SpivacSat, Aug 10, 2024
5.0
(3)
JhonataDiniz
Jhonata Diniz
vs
Karl Williams
KarlWilliams
UFC Fight Night Ribes vs NamajunasSat, Mar 23, 2024
3.7
(7)
KarlWilliams
Karl Williams
vs
Justin Tafa
JustinTafa
UFC Fight Night Rozenstruik vs AlmeidaSat, May 13, 2023
4.2
(14)
KarlWilliams
Karl Williams
vs
Chase Sherman
ChaseSherman
UFC 287Sat, Apr 8, 2023
KarlWilliams
Karl Williams
vs
Chase Sherman
ChaseSherman
UFC Fight Night Yan vs DvalishviliSat, Mar 11, 2023
6.0
(3)
KarlWilliams
Karl Williams
vs
Lukasz Brzeski
LukaszBrzeski