Conor McGregor Signed Photo: Fightin' Irish

Irish mixed martial arts fighter Conor McGregor is one of the most popular sportsmen in the world. A champion inside the ring and a global superstar outside of it, McGregor has earned legions of fans with his brash and confident style. Whatever happens between now and the end of his remarkable career, McGregor will doubtless go down in UFC history as one of the greatest of all time.