Jon Jones is once again sitting on top of the UFC 205-pound mountain.

Jones was forced to vacate his title back in 2015 after being involved in a hit-and-run that left a pregnant woman's arm broken. He was scheduled to return at UFC 200 against Cormier, who won the vacant title from Anthony Johnson at UFC 187, however, "Bones" failed a United States Anti-Doping Agency (USADA) drug test which removed him from the fight just days before the event. He finally made his return last month (Sat. July 29, 2017) in the main event of UFC 214 against Daniel Cormier for the 205-pound title.

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Jones won the title with a third round knockout after landing a head-kick that rocked "DC," allowing "Bones" to get the fight to the ground and finish Cormier off with ground-and-pound. Jones looked tremendous in his Octagon return, however, he may not have been at 100 percent.

The new 205-pound champ's head coach Mike Winkeljohn recently joined Submission Radio to talk about the win, and revealed that Jones suffered an arm injury while wrestling and could barely life his arm days from the fight (quotes via MMA Fighting):

“A couple of nights before the fight, he couldn’t lift his arm. He had hurt it wrestling,” Winkeljohn told Submission Radio. “He wrestled a little too hard with his partner and maybe from a lack of warm up, I’m not sure, but it was kind scary.

"It was one of those situations where when I was warming him up I’d ask the coaches and they had agreed, they were ahead of me on this, that we shouldn’t be doing a lot wrestling because I didn’t want Jon to try and have to underhook and lift with his one arm because it could potentially cause it to be hurt again and mess with his mindset.

"I wanted to keep that out of it and hopefully so that way if it got re-injured in the fight, the adrenaline would take over.

“So it was kind of scary that nobody knew about it. There was an injury behind the scenes, but Jon is who he is, he’s as tough as they come and like I said, nobody beats Jon Jones but himself. Once he decides he wants to win a fight, he’s going to win.”

“He just couldn’t lift it basically over his head and stuff. Of course, it’s definitely concerning,” Winkeljohn said. “You know, in my mind, I’m thinking, ‘Are you going to be able to underhook with that arm?

"Or if not, you have to use a lot more frames and more downward pressure and circle the opposite direction, so game plan might have to be changed a little bit if it doesn’t get healed.’

“So there’s a lot of things that are going through the coaches’ minds. Who knows what was going through Jon’s mind. He basically didn’t say anything other than he’s fighting.”

What are your thoughts on Jones not being able to lift up his arm just days before taking on Daniel Cormier at UFC 214? Let us know in the comments section below!