Summary

Dulgarian backstage at the UFC. Photo: Reproduction/Instagram/UFC
Isaac Dulgarian 's journey in the world's largest MMA organization came to an end after the American's defeat to Yadier Del Valle last Saturday (1). However, according to journalist Ariel Helwani, a sudden change in the odds of the duel in betting houses is behind the fighter's dismissal. Dulgarian was a clear favorite since the announcement of the confrontation and was finished in the first round with a rear-naked choke, confirming the change in the odds , including the moment in which the fight would end.
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The news was announced in a post on the journalist's official account on X (formerly Twitter). According to him, although officially the decision to dismiss the athlete was not motivated by the controversy, the episode may have acted as an amplifying factor.
“ Isaac Dulgarian , who was submitted last night by Yadier del Valle , has been released by the UFC, according to sources. He was released today. The official justification was attributed to the previous night's loss, however, the fight became controversial after a large amount of money began to be bet on Dulgarian, one of the heavy favorites, losing in the first round, which is what actually happened,” stated Helwani.
Isaac Dulgarian , who was submitted last night by Yadier del Valle , has been released by the UFC, sources say. He was released today.
The official reason was attributed to last night's loss, however, the bout has been the center of controversy after a ton of money started to begin…
— Ariel Helwani (@arielhelwani) November 3, 2025
Dulgarian debuted in the UFC undefeated.

Christian Rodriguez (left) and Isaac Dulgarian fighting at UFC Las Vegas 88. Photo: UFC/Publicity
At 29 years old, the American was one of the prospects in the featherweight division (up to 65,7 kg). After debuting in the Ultimate Fighting Championship (UFC) in 2023, Dulgarian built a record of seven wins and only one loss until his fight with del Valle. All of his victories were by stoppage. The Cuban, in turn, is undefeated in ten professional fights.
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