Ryan Gandra vs. Osman Diaz

MiddleweightUFC 331 · Sep 19, 2026, 5:30 PM EDT

Prelims

3 rounds

Prediction & odds

Result

Ryan Gandra

def. Osman Diaz by TKO (Punches), round 1, 2:04.

PrelimsMiddleweight · 3 RDsUFC 331 →
RyanGandra
BR“Problema”
11-1-0-500(80%)
Winner
10-5-0+387(20%)
US
OsmanDiaz
RyanGandra
BR“Problema”
11-1-0-500(80%)
Winner
10-5-0+387(20%)
US
OsmanDiaz
Tale of the Tape:
11-1-0Record10-5-0
-500Odds+387
80%Win chance20%
6'1"Height6'4"
74"Reach79"
31Age35
Belo Horizonte, Minas Gerais, BrazilFights out ofLos Angeles, California, United States
Fight Stats:
Ryan GandraOsman Diaz
1Knockdowns0
16 of 34 (47%)Sig. strikes3 of 4 (75%)
16 of 34Total strikes3 of 4
0 of 0Takedowns0 of 0
0Sub attempts0
0Reversals0
0:03Control time0:00
Sig. strikes by target
13 of 29Head1 of 2
1 of 3Body1 of 1
2 of 2Leg1 of 1
Sig. strikes by position
10 of 26Distance3 of 4
0 of 0Clinch0 of 0
6 of 8Ground0 of 0

Source: UFCStats

Your Pick:

Picks are closed for this fight.

What the Odds Said:
Ryan Gandra-500 · 80%
Osman Diaz+387 · 20%

Ryan Gandra is the -500 favorite, about a 80% chance to win once the bookmaker's margin is removed. Osman Diaz is the +387 underdog (20%).

Recent Form Going In:

Ryan Gandra

Record11-1
Fighting out ofBelo Horizonte, Minas Gerais, Brazil

Gandra: 5-0 in the last 5, 5 wins by finish (5-fight win streak).

  • Wvs. Zachary ReeseTKO · R1 · UFC 329: McGregor vs. Holloway 2Jul 2026
  • Wvs. José Daniel MedinaTKO · R1 · UFC Fight Night: Moreno vs. KavanaghFeb 2026
  • Wvs. Trent MillerKO/TKO · R1 · Contender Series 2025Aug 2025
  • Wvs. Vladimir CalvoKO/TKO · R1 · LFA 197: Kuziutina vs GuimarãesNov 2024
  • Wvs. Alessandro GambulinoKO/TKO · R2 · LFA 171: Neves vs. CunhaNov 2023

Osman Diaz

Record10-5
Fighting out ofLos Angeles, California, United States

Diaz: 3-2 in the last 5, 2 wins by finish.

  • Lvs. Ateba GautierTKO · R2 · UFC 328: Chimaev vs. StricklandMay 2026
  • Wvs. Djorden SantosDecision · R3 · UFC 313: Pereira vs. AnkalaevMar 2025
  • Lvs. Mingyang ZhangKO/TKO · R1 · UFC Fight NightNov 2024
  • Wvs. Bevon LewisKO/TKO · R2 · LFA 184: Diaz vs. LewisMay 2024
  • Wvs. Chuck CampbellKO/TKO · R1 · LFA 178: Satybaldiev vs. AssisMar 2024
UFC 331 Card: