Elijah Smith delivered arguably the greatest slam knockout in octagon history at UFC Vegas 109 with shades of "Rampage" vs. Arona.

The first finish at UFC Vegas 109 saw one decorated finisher return to the win column in highlight-reel fashion.

Uros Medic got his payback on Gilbert Urbina after being dropped in the opening 10 seconds of Saturday's UFC on ESPN 72 preliminary-card bout.