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,

Getty/UFC When Elijah Smith powerbombed Toshiomi Kazama to the canvas, it was hard not to be reminded of Quinton Jackson. Smith provided a "Knockout of the Year" candidate when he rendered Kazama unconscious with a powerful slam at the 4:10 mark of the first round in their preliminary bantamweight bout at UFC Vegas 109 on Saturday night.