Countless knockouts occur every UFC card, but only a few will be replayed for years to come. Even fewer are the moments like Joaquin Buckley’s jumping spinning back kick on Impa Kasanganay, Jorge Masvidal's five-second flying knee knockout of Ben Askren,

Elijah Smith delivered one of the scariest knockouts of 2025, delivering a WWE-style power bomb slam of Toshiomi Kazama during the preliminary card of UFC Vegas 109. The almost 23-year-old Smith improved to 2-0 inside the octagon by delivering a Rampage Slam to Kazama at 4:10 of the opening round.