Conor returned to the octagon after more than a year away. It took him all of 40-seconds to stop 'Cowboy' in his return last year.
Conor McGregor stopped Mendes in the second round of the fight and tasted UFC gold for the first time at UFC 189
Conor became the first two-division champion in the UFC when he stopped Alvarez at UFC 205 in the second round.
Conor became a two-division world champion for the first time at CWFC 51. A feat he would later repeat in the UFC.
Credits: All things MMA/YouTube