McGregor dropped the bombshell out of nowhere just a day after landing in Iceland to continue his training for UFC 200 where he's expected to meet Nate Diaz in the main event.
Now McGregor has been known to say some crazy things via Twitter in the past like the time he self-inducted himself into the UFC Hall of Fame.
I have decided to retire young.— Conor McGregor (@TheNotoriousMMA) April 19, 2016
Thanks for the cheese.
Catch ya's later.
CREDIT // SOURCE - Damon Martin // FOX Sports