The UFC Fight Night 231 main card is even shorter than anticipated due to a last-minute cancellation. Following the conclusion of the prelims Saturday at Ginasio do Ibirapuera in Sao Paulo, UFC commentator Brendan Fitzgerald broke news on the broadcast the fight between Armen Petrosyan and Rodolfo Vieira had been canceled. The main card, headlined by Jailton Almeida vs.
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Minutes before walkout, UFC Sao Paulo loses third bout in less than 36 hours – MMA Junkie