UFC 194: Aldo vs. McGregor was a mixed martial arts event held by the Ultimate Fighting Championship on December 12, 2015 at the MGM Grand Garden Arena in Las Vegas, Nevada. The event was headlined by a UFC Featherweight Championship unification bout between then champion José Aldo and then interim champion Conor McGregor.
Conor McGregor
José Aldo
Luke Rockhold
Chris Weidman
Yoel Romero
Ronaldo Souza
Demian Maia
Gunnar Nelson
Max Holloway
Jeremy Stephens
Urijah Faber
Frankie Saenz
Tecia Pennington
Jocelyn Jones-Lybarger
Warlley Alves
Colby Covington
Leonardo Santos
Kevin Lee
Magomed Mustafaev
Joe Proctor
Yancy Medeiros
John Makdessi
Court McGee
Márcio Alexandre Jr.