View gallery Image Credit: Getty Images for Cantor Fitzgerald Conor McGregor is one of the most recognizable figures in mixed martial arts. The Irish fighter turned professional in 2008 and went on to make UFC history as the first athlete to hold championship titles in two weight classes simultaneously. While his fighting future remains uncertain amid injuries and time away from the Octagon, McGregor has continued to make headlines through business ventures, public appearances, and legal matters. In his personal life, McGregor recently marked a major milestone.