Justin Gaethje delivered a stunning upset victory over Ilia Topuria to capture the UFC undisputed lightweight championship at the White House's first professional sporting event. The 37-year-old American stopped Topuria at the end of the fourth round, handing the former featherweight champion his first career defeat in 18 fights. President Donald Trump watched octagon-side as Gaethje performed his signature backflip before accepting congratulations from the commander-in-chief.

The historic UFC Freedom 250 event took place on Trump's 80th birthday as part of America's 250th independence celebrations. Approximately 4,300 attendees, mostly military personnel, packed the South Lawn while another 85,000 gathered in nearby Ellipse park. Gaethje absorbed heavy body shots in round two before taking control with powerful right hands and uppercuts that left Topuria's face bloodied and swollen.

In the co-main event, Ciryl Gane spoiled Alex Pereira's bid to become UFC's first three-division champion. Gane dropped Pereira with a perfectly timed jab in the second round, forcing the referee to wave off the contest. The victory made Gane a two-time interim heavyweight champion following his previous no-contest against British champion Tom Aspinall.

Gaethje's triumph represents a remarkable career milestone for one of MMA's most exciting fighters, who finally secured undisputed gold at his third attempt. The victory earned him a commemorative red, white and blue belt in a setting that will be remembered as one of the sport's most unique venues.