Conor McGregor is an Irish professional mixed martial artist and professional boxer who is currently signed to the Ultimate Fighting Championship (UFC). He is the reigning UFC Lightweight Champion, and former UFC Featherweight Champion. During his career, McGregor has competed as a featherweight, lightweight, and welterweight. In 2008, McGregor started his mixed martial arts (MMA) career and, in 2012, he won both the Cage Warriors Featherweight and Lightweight Championships, holding both titles simultaneously before vacating them to sign with the UFC. In 2015, at UFC 194, McGregor defeated...