Oleksandr Usyk could be serious about swapping his boxing gloves for MMA mitts and fighting social media star Jake Paul in a mixed martial arts contest.
Usyk addressed Paul on X, writing: "Soon, I'll close the book on boxing, and after that, I'll be waiting for you in the cage. Let's see if you've got the [bravery for it] or just a hunger for hype."
In July Usyk won a rematch with Britain's Daniel Dubois to become boxing's undisputed heavyweight world champion for a second time.
After that knockout victory at Wembley Stadium, Usyk actually faced off with Paul in the ring.
Their teams have held discussions about a crossover MMA clash.
Nakisa Bidarian, the co-founder of the MVP promotional company with Paul, previously revealed to Sky Sports : "We've had a couple of conversations, all