Tyson Fury has responded to Deontay Wilder's congratulations message by labelling their trilogy the greatest of all-time.
The 'Gypsy King' scored a historic late stoppage victory in Las Vegas, to end the pair's rivalry in the ring.
But he was forced to go deep into his reserves, having faced a double knockdown earlier in the contest.
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And Wilder initially responded in a bizarre exchange where he refused to show "respect" to his conqueror.
But the American later sent a positive message to the champion on social media.
Fury has now responded to the post with a handshake emoji while paying tribute to the their battles.

"The greatest trilogy of all time." Fury sharply responded on Twitter.
Wilder seemed dejected after the final bell, and was quickly taken to hospital from the ring for a medical assessment.
He later discovered he broke his hand, which will require surgery that he will be set to undergo soon.
And his reaction caused quite a stir with Fury and his team, who were disappointed with his "lack of sportsmanship".
Fury's promoter Bob Arum was also disappointed with Wilder's reaction, who he claimed wouldn't "even look" at him.
But Wilder has now had an opportunity to recover, and unveiled a more sportsman-like reflection on the defeat.
"Wow, what a hell of a night!" Wilder said. "I would like to thank my team and my fans for sticking by my side through this long process.
"I would be lying if I said that I wasn’t disappointed in the outcome but after reflecting on my journey, I now see that what God wanted me to experience is far greater than what I expected to happen.
"I’ve learned that sometimes you have to lose to win. Although, I wanted the win I enjoyed seeing the fans win even more.
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"Last but not least I would like to congratulate Tyson Fury for his victory and thank you for the great historical memories that will last forever.
"Hopefully, we proved that no matter how hard you get hit with trials and tribulations you can always pick yourself up to live and fight again for what you believe in."
Wilder is now unlikely to return until next year, and is eyeing a shot at Fury's long-term rival Anthony Joshua.
Meanwhile the champion Fury could turn to a mandatory challenge from Dillian Whyte next year, after he was declared the right to face the winner by the WBC.
Although any next test is currently on hold, with Fury uncertain of his next move.
READ MORE: Fury denied he was a cheat moments before Wilder KO
“I don’t know what’s going to happen," Fury told The Telegraph. “I’ve got one fight left on my contract with Top Rank and ESPN and we’ll see what that is.
“But I’m not thinking about boxing right now. I don’t know how many fights I’ve got left. “I don’t know if I need to fight anymore. I don’t know what the future holds.
"Once you are done, it doesn’t matter how many belts you have, who you beat, what your record is. You are just another bare bum in the shower and I have always had that opinion."
The 33-year-old champion could now be granted an audience with the Pope, to mark his achievements in boxing.