According to the source, the American aggravated the old injury in training and made the decision to withdraw from the fight. The UFC has not yet made any announcements regarding a substitution in the fight or postponing the meeting to a later date.
The fight between Volkanovski and Holloway was supposed to be the third for these fighters. Their first two fights took place in 2019 and 2020 - Volkanovski won by unanimous and split decision, respectively.
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UFC 318: Holloway vs Poirier 3 - Date, Start time, Fight Card, Location