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Earlier tonight at UFC Abu Dhabi, UFC heavyweight contender and one of the most entertaining submission artists on the roster, Valter Walker, returned to the octagon after nearly 11 months to lock horns with Thomas Petersen.
As the three-round 265-pound contest commenced, the leg lock specialist first looked for the outside heel hook right away and then rolled and controlled the American fighter’s leg and nearly crushed it.
Thomas Petersen briefly managed to slip the heel hook, but meanwhile the Brazilian sank in the calf slicer, forcing Petersen to tap after 92 seconds.
Official decision: Valter Walker defeated Thomas Petersen via Round 1 Submission: Calf Slicer (1:32)
Check out the finish below:
It’s now five fights and five consecutive Round 1 leg lock submission wins for Walker.
“The Clean Monster” is now riding a five-fight win streak and is now 5-1 in the UFC. Thomas Petersen, on the other hand, has lost 3 of his last 5 UFC bouts.
After getting his hand raised at UFC Abu Dhabi, Valter Walker has now put his crosshairs on current and two-time interim heavyweight champion Ciryl Gane, who is expected to meet undisputed titleholder Tom Aspinall in Paris in September to unify the titles.
UFC Abu Dhabi: Valter Walker vs. Thomas Petersen: Highlights
Valter Walker got Thomas Petersen to tap, shake his head in frustration AND wave his hand like, "WTF?" Should count as three wins. pic.twitter.com/2wwjRN28Mp
— RJ Clifford (@RJcliffordMMA) July 25, 2026
Subham is a writer and editor with experience spanning MMA, Health & Fitness, true crime, and pop culture. He has previously worked with Sportskeeda MMA, SK True Crime, and SK Pop, Movies, and Shows.
He currently covers the UFC for LowKickMMA and MMA Pros Picks.


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