This is in the UFC. It is Tito Ortiz (coach for the Ultimate Fighter 3) vs. Randy Couture (who is now retired).
These are ultimate athletes. This is a chess game of skill, strength, and conditioning. This is not mindless violence, no one has ever been hurt (critically or permanently) in the UFC. Sorry about the music and editing.
BTW: Thought Tito had an armbar at the end, but I guess not.