Self-proclaimed Gypsy King Fury is now still suspended after failing two drug tests since he shocked the world by beating Wladimir Klitschko almost two years ago.
The 29-year-old former heavyweight champion has promised to return to the ring.
But his return to training is welcome for boxing fans.
Fury has since been granted permission to take out a new licence under the British board, but must first settle his differences with UK Anti-Doping, who maintain he failed a drugs test stemming back to early 2015.
World heavyweight champion Anthony Joshua has shown he can knock out opponents on social media with the same devastating destruction as he does in the boxing ring.
If Joshua v Fury can happen in April, the victor would then move on to a massive unification with Deontay Wilder later in the year.
That led to Joshua biting back, telling Fury to "get fit you fat f**K" and saying he has no respect for the way his rivals use the net to pick fights.
Hearn stated he potentially wants Wilder and Joshua to share a bill and may even be prepared to allow Wilder to fight Parker on the same card in order to put all the belts in one place. And he really thinks that's the fight that should be made. Anthony posted a classic selfie of himself chilling in Dubai.
"Wladimir I don't get why you're so bitter about your loss to the Gypsy King", Fury wrote.
"I'm not one of these dogs that stay in the garden barking for hours, I make my noise - and that's it - until we fight I don't need to be hollering and yelling for days and for months". But yet you say AJ is better, I know you won't admit the truth to the world but in your mind you know the truth and so does Vitali! "You want to practise on a bit more speed, a bit less power".