Watch the UFC 224: Nunes vs. Pennington Weigh-in Live at 4 PM ET


(Courtesy of UFC) Before they step inside the octagon on Saturday at Jeunesse Arena in Rio de Janeiro, Brazil, the fighters competing on the UFC 224: Nunes vs. Pennington fight card must first weigh-in on Friday. Women's bantamweight champion Amanda Nunes puts her title on the line in the main event against Raquel Pennington. UFC legend Vitor Belfort competes for the last time in his storied career against fellow Brazilian icon Lyoto Machida.  In the co-main event middleweight contenders Ronaldo “Jacare” Souza and Kelvin Gastelum meet in a bout that could shake up the 185-pound rankings.  TRENDING > Eddie Alvarez vs. Dust…

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