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UFC Middleweight

Ateba Gautier VS Osman Diaz

Prudential Center, Newark, New Jersey, U.S.

Tale of the Tape

Ateba Gautier VS Osman Diaz
11-2-0 Record 10-5-0
24 Age 35
193 cm Height 193 cm
206 cm Reach 201 cm
switch Stance orthodox
82% Finish rate 90%
82% KO rate 70%
0% Sub rate 20%

Result Summary

Ateba Gautier def. Osman Diaz TKO (punch) · R2 3:49

Ateba Gautier defeated Osman Diaz by TKO (punches) at 3:49 of round two in their middleweight bout at UFC 328: Chimaev vs. Strickland on May 9, 2026, in Newark. Round one was measured, with Diaz pressing Gautier against the cage and threatening with takedowns while Gautier controlled range with strikes and a head kick attempt. Gautier opened the second round by walking Diaz down with body-head combinations; a left hook set up the finishing right hand that buckled Diaz, and the referee intervened moments later. The stoppage improved Gautier's professional record to 11-1 and continued his finishing run inside the UFC. Post-fight, Gautier called for a future bout with former middleweight champion Israel Adesanya.

Fight Overview

Ateba Gautier (10-1) carries the most explosive record of any unranked UFC middleweight — three consecutive first-round knockouts before a January 2026 decision raised finishing questions that Diaz, a former LFA champion with proven chin durability, intends to make permanent. A win for Diaz would be the division's signature upset of the year; a dominant finish for Gautier, who brings a 6'4" frame and an 81-inch reach, moves him squarely into ranking territory.

Keys to Victory

Ateba Gautier

  1. Establish the jab to control range and prevent Diaz from entering the pocket where his veteran boxing becomes most effective.
  2. Use switch-stance movement to create unpredictable power-shot angles — disguised setups from stance changes produced all three first-round finishes.
  3. Stay composed if a finish does not come early and maintain high striking volume rather than overcommitting to force the stoppage.

Osman Diaz

  1. Survive round one — Diaz's UFC losses came by early stoppage, and clearing that window shifts the psychological dynamic entirely.
  2. Press forward through Gautier's jab and work to the inside to negate the reach disadvantage and make this a brawl.
  3. Mix in level changes and wrestling attempts to break Gautier's rhythm and prevent him from planting his feet freely to generate power.

Last 5 fights

Ateba Gautier

  1. W Andrey Pulyaev Decision · R3 5:00 · 24 JAN 2026
  2. W Treston Vines KO · R1 1:41 · 4 OCT 2025
  3. W Robert Valentin TKO · R1 1:10 · 19 JUL 2025
  4. W Jose Daniel Medina KO · R1 3:32 · 29 MAR 2025
  5. W Yura Naito TKO · R2 4:00 · 17 SEPT 2024

Osman Diaz

  1. W Djorden Ribeiro dos Santos Decision · R3 5:00 · 8 MAR 2025
  2. L Zhang Mingyang TKO · R1 2:25 · 23 NOV 2024
  3. W Bevon Lewis KO · R2 3:24 · 17 MAY 2024
  4. W Chuck Campbell KO · R1 4:59 · 8 MAR 2024
  5. L Joe Pyfer TKO · R2 1:39 · 26 JUL 2022

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AI-generated This analysis was generated with AI and may contain errors.

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