On June 14, the Ultimate Fighting Championship will mark America's 250th birthday a bit early with a card of fights on the South Lawn of the White House. Perhaps most notably, Ilia Topuria is heavily favored to unify the lightweight belt. An ethnic Georgian who grew up in Spain, Topuria is one of the 25 best fighters of all time but it's his opponent, the American Justin Gaethje, whose reckless penchant for violence all but guarantees the bout will eclipse whatever fireworks the White House may be planning for America's semiquincentennial. Throughout his career, "the Highlight" has eschewed his high-level wrestling for brutal leg kicks, blistering uppercuts, and relentless forward pressure. Win or lose, Gaethje usually delivers incredible action—fights full of dramatic swings, serious stakes, and devastating damage. With that criteria in mind, we decided to rank the best UFC fights ever.…