Irish mixed martial artist (born 1988) Conor Anthony McGregor is an Irish professional mixed martial artist. He is a former Ultimate Fighting Championship (UFC) Featherweight and Lightweight Champion, becoming the first fighter to hold UFC championships in two weight classes simultaneously. He is also a former simultaneous Cage Warriors Fighting Championship (CWFC) Featherweight and Lightweight Champion. 606,326 views on August 26, 2017 — Wikipedia's most-read article that day. Also most read: Floyd Mayweather Jr., Ten Essentials, Joe Arpaio, Gurmeet Ram Rahim Singh. Wiki link