In a post that has shocked the mixed martial arts world, and left many scratching their heads, UFC Featherweight Champion Conor McGregor has teased his retirement on Twitter. He posted the following this afternoon:

See Also: Sheamus Rips Conor Mcgregor (Video)

McGregor, who is 27 years old, is currently scheduled to face Nate Diaz in a rematch at UFC 200 in July. McGregor is among the top money earners in mixed martial arts history.

MMA Fighting's Ariel Helwani is saying that the tweets aren't a joke. Also, McGregor's coach John Kavanagh commented.

McGregor's planned UFC 200 opponent in Nate Diaz has also commented:

777 contributed to this article. Follow Sean Ross Sapp on Twitter at @SeanRossSapp. Got a news tip or correction? Send it to us by clicking here.