Last seen, the Irishman broke his leg against Dustin Poirier three years ago.
Even other fighters were stunned by the shocking finish to their fight.
New Zealand's latest UFC prospect-in-waiting features on the Arsenal X event in Auckland.
The 'Black Jag' will now face the higher ranked Alonzo Menifield in March.
New middleweight champion Dricus du Plessis wasted no time pointing his finger at 'The Last Stylebender'.
'The Notorious' is back... apparently.
The City Kickboxing product has been granted his wish with a light heavyweight bout against Dominick Reyes.
"Thank you guys for being here, I really appreciate it."
"I know that people might follow me and I want them to know I do not think this behaviour is acceptable."