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PORTO ALEGRE, BRAZIL - FEBRUARY 22: Michael Johnson of the United States celebrates after defeating Edson Barboza of Brazil in their lightweight bout during the UFC Fight Night at Gigantinho Gymnasium on February 22, 2015 in Porto Alegre, Brazil. (Photo by Buda Mendes/Zuffa LLC/Zuffa LLC via Getty Images)

PORTO ALEGRE, BRAZIL - FEBRUARY 22: Michael Johnson of the United States celebrates after defeating Edson Barboza of Brazil in their lightweight bout during the UFC Fight Night at Gigantinho Gymnasium on February 22, 2015 in Porto Alegre, Brazil. (Photo by Buda Mendes/Zuffa LLC/Zuffa LLC via Getty Images)