Oleksandr Usyk knocked out Daniel Dubois in the fifth round of their heavyweight unification bout in London on July 20, claiming all four major championship belts for the third time in his career.

The Ukrainian boxer, who entered the ring holding the WBC, WBO, and WBA titles, added Dubois' IBF belt to his collection in a dominant performance at the Frank Warren-promoted event.

Usyk's victory further cements his legacy in the heavyweight division, having now unified all major titles on three separate occasions.

In a strange twist following the fight, footage emerged showing Dubois attending a party organized by his father just hours before the championship bout. This unusual pre-fight activity raised eyebrows throughout the boxing community.

Former Usyk opponent Tony Bellew had a succinct response to the revelation, commenting simply: "Madness" on social media.

The timing of Dubois' party attendance has sparked debate among boxing fans and analysts. Is this a case of poor preparation, or was the British fighter's confidence misplaced? Either way, the result speaks for itself.

Usyk's performance leaves no doubt about his current dominance in the heavyweight division. What's next for the Ukrainian champion after this comprehensive victory?