UFC Fight Night 231: Almeida vs. Lewis was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on November 4, 2023, at Ginásio do Ibirapuera in São Paulo, Brazil. The event was expected to be headlined by a heavyweight bout between Curtis Blaydes and Jailton Almeida. However, Blaydes withdrew for unknown reasons and was replaced by former UFC Heavyweight Championship challenger Derrick Lewis.
Jailton Almeida
as Self
Derrick Lewis
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Nicolas Dalby
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Gabriel Bonfim
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Rodrigo Nascimento Ferreira
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Don'Tale Mayes
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Caio Borralho
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Abus Magomedov
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Elves Brenner
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Kaynan Kruschewsky
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Rinat Fakhretdinov
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Elizeu Zaleski dos Santos
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