Former UFC champion Conor McGregor just cannot stop following the UFC.

More from Fightline

McGregor, who has been as outspoken as ever during events recently, commented on the Octagon debut of Kron Gracie Sunday night at UFC Phoenix.

Gracie, a teammate of Nate Diaz, defeated Alex Caceres via first round submission.

“Enter the mix young son,” McGregor wrote. “Congratulations.”