Tommy Fury has started his training with his heavyweight champion brother Tyson for his upcoming fight with Jake Paul.
Fury and Paul will meet in an eight-round catchweight fight on December 18 in Florida.
After being trained by his father John for all seven of his professional fights, the 22-year-old will rely on the services of Tyson and his trainer SugarHill Steward.
Fury was supposed to come face-to-face with Paul for the first time since August last weekend, but a family emergency meant he missed their press conference.
A second press conference to promote their fight will take place Monday, but Fury will hope to dial in rather than attend in-person.
And Tyson took his brother for a morning run alongside former champion Joe Parker and Olympian David Nyika.
He said: "Finished my first day as a trainer, first morning session rather. Really help with myself the way things went, all the boys trained hard."
Tommy also weighed in, predicting he will stop Paul in just two rounds.
"The run this morning was good. Good leg work, feeling good. Feeling fit," he said. "He's getting knocked sparked out, two rounds."
Fury is undefeated in seven professional fights but has faced soft competition during that run.
He last fought on the undercard of Paul's fight with former UFC star Tyron Woodley, outpointing MMA fighter Anthony Taylor in a sluggish display.
Fury's fight against Paul will mark his fourth of the calendar year and just his second on US soil and is favoured to beat Paul, who turned professional last year and has since won four fights.
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His new trainer Steward, meanwhile, has outlined the areas of Fury's game he hopes to improve for his fight next month.
"I'm going to primarily work on his footwork and his coordination. Getting him more familiar with certain moves that you need in boxing to compete at a higher level than he fought at," he said.
"I didn't watch [his last fight], but I heard it wasn't a good look from the family, maybe they were over-critical about it and they're probably right.
"This is a lot different to watching on TV and watching your big brother, but this is a learning process."
Tyson split with former coach Ben Davison to partner with Steward after his nervy decision win against Otto Wallin in 2019.
The trainer has since led him to two victories against Deontay Wilder, stopping him in their rematch last year and in their trilogy last month.
