UFC 189 World Media Tour Launch

RIO DE JANEIRO, BRAZIL - MARCH 20: UFC featherweight champion Jose Aldo of Brazil (L) and challenger Conor McGregor of Irleland face off as UFC President Dana White (C) stands in during the 189 World Media Tour Launch press conference at Maracanazinho, at Maracanazinho on March 20, 2015 in Rio de Janeiro, Brazil. (Photo by Alexandre Loureiro/Zuffa LLC/Zuffa LLC via Getty Images)