Tony Ferguson's upkick to Justin Edwards was vicious and well timed. IDK if there are gifs of it though
Arona on Rampage which may or may not have knocked him Rampage out for a lil before Arona got KTFO by slam in Pride
That renzo on taktarov upkick was nasty. No gloves, no weight classes, that was leather helmets time of football.
dammit my faves were in op or shortly after' AS v Okami 1 Fitch vs Alves (1?) Also Nog gave some good ones to Fedro if memory serves correctly I think 'Killa B' ben saunders ko'd a guy or stunned a guy good with one on tuf hughes vs serra