Greatest KOs in heavyweight history

When you put two big, powerful heavyweights together inside the
Octagon, there are going to be times where the confrontations end
in spectacular fashion.

Just days before Cain Velasquez and Junior dos Santos renew lock
horns for the UFC heavyweight title for a third time
this weekend at UFC 166, UFC analyst Joe Rogan
looks back at the most impressive, emphatic, and unforgettable
knockout finishes in the history of the division.

From well-placed punches to kicks that seemingly came out of
nowhere, this collection of colossal knockouts featuring Velasquez,
dos Santos, Mark Hunt, and many others is just what you need to get
you excited for UFC 166 this weekend and bring a spark to your

What highlight reel finish will top the list? Press play and
find out.