This flyweight bout is a rebooking. Osbourne pulled out of the original UFC 329 date (July 11) in June with an undisclosed injury, and the matchup was reported in September as targeted for Oct. 31.
- Ode Osbourne Osbourne withdrew from the original July 11 UFC 329 bout with Durden because of an undisclosed injury, after more than eight weeks of training. source
- Both The Osbourne vs. Durden flyweight (125 lb) bout was reported as targeted for UFC Vegas 123 on Oct. 31. At the time it had not been officially confirmed. source
- Durden's 4.36 takedowns per 15 min against Osbourne's 63% takedown defense and history of submission losses (Filho, Almabayev)
- Common opponent Jafel Filho: Durden beat him by decision; Filho submitted Osbourne in R1
- Osbourne's 6-inch reach edge (73" vs 67") and KO power against Durden, who was stopped by punches against Ochoa
- Osbourne's 246-day layoff and withdrawal injury from the original July booking of this fight
- Both fighters are declining (Elo -7 and -12, a combined 1 win in their last 10), so confidence stays near a coin flip
Write-up
Elo makes this essentially even (51-49 Durden), and both fighters are fading (Osbourne -7, Durden -12). The deciding factor is the grappling mismatch. Durden is a control wrestler who averages 4.36 takedowns per 15 minutes at 50% accuracy. Osbourne's takedown defense is only 63%, and his record shows repeated grappling losses: a rear-naked choke to Jafel Filho, a submission to Asu Almabayev, and a decision to Ronaldo Rodriguez. The common opponent supports this: Durden beat Filho by unanimous decision in April 2026, while Filho submitted Osbourne in R1. Osbourne's case is power and length. He has a 73" reach against 67", knocked out Luis Gurule, and Durden has been stopped by punches (Jose Ochoa). If Durden enters carelessly, Osbourne can end it early. Osbourne also has concerns of his own. He has been out 246 days, his last bout was overturned to a no contest, and he withdrew injured from the original July booking of this same fight after an eight-week camp. Durden has lost four of his last five and was submitted by Alessandro Costa in July, so this is not a strong vote for him. He is simply the more reliable at deciding where the fight takes place. Expect Durden to win rounds with takedowns and top control, with a submission possible and an Osbourne KO the main upset risk.
- Durden: 4.36 takedown average and 50% accuracy versus Osbourne's 1.21 and 28%
- Near-even opponent-adjusted Elo limits confidence
- Durden's recent stoppage losses undermine his career statistical edge
- Osbourne has the reach advantage but a longer layoff following an injury withdrawal
Write-up
Elo gives Durden only a 51% baseline, but his higher takedown rate and accuracy favor a wrestling-led decision against Osbourne's 63% takedown defense. Durden also has the better striking differential. However, four losses in his last five, including three stoppages, temper those career advantages. Osbourne's reach advantage and recent knockout win provide an upset route. His longer layoff and reported July injury add uncertainty, though neither layoff exceeds 450 days and ongoing impairment is unconfirmed. Conflicting recent-form entries further limit confidence; the overturned Osbourne bout is a no contest, not a draw. Method percentages are conditional on Durden winning.