Top KO's In UFC History

Middleweight champion Anderson Silva returns to Brazil to ready himself at home for the toughest test of his career; meanwhile, Long Island's Chris Weidman works day in and day out in the hopes of becoming the next UFC Middleweight champion.

A long-overdue title matchup between Anderson Silva and Vitor Belfort finally reaches the Octagon. One spectacular fighter... one devastating finisher... which legend will walk awaywith the middleweight belt?

If this battle between British submission artist Terry Etim and Brazilian Muay Thai machine Edson Barboza is typical of the matchups we can expect from the lightweight division in 2012, it's going to be an unforgettable year at 155 pounds.

After a dominating performance his first time inside the Octagon, Mirko Cro Cop took on the well rounded Gabriel Gonzaga. Though it would be Gonzaga's night as he took out Cro Cop with one of the most vicious knockouts in UFC History.

The coaches collide at UFC 100 when former PRIDE Champion and Two-time Olympian Dan Henderson faces off with the improving dynamic and exciting fighter, Michael 'The Count' Bisping. The Ultimate Fighter Season 9 coach that wins may be staring at a title shot.

Middleweight champion Anderson Silva returns to Brazil to reThe Ice Age begins! Chuck "The Iceman" Liddell finally annexes the UFC light heavyweight title, stunning the defending champ Randy "The Natural" Couture in this main event of UFC 52. Liddell's world title ambitions have been cruelly derailed by Couture three years previously, but this time the Iceman would not be denied.

In his first title defense since submitting Pat Miletich at UFC 31, Carlos Newton looked to find similar success against future UFC Hall of Famer Matt Hughes. Relive one of the most exciting knockout's in the history of the UFC.

On October 24, 2009, unbeaten UFC light heavyweight champion Lyoto "The Dragon" Machida and challenger Mauricio "Shogun" Rua engaged in a five round war that divided the mixed martial arts world when the unanimous decision verdict was rendered in Machida's favor.

The UFC middleweight champ Rich Franklin puts his belt on the line for the first time against a top contender, Nate Quarry. Quarry comes into the fight with only one loss in his career and if he leaves with only one loss, he will also leave with the belt.

It was the grudge match to end all grudge matches, a packed house saw Chuck Liddell and Tito Ortiz finally get it on in the main event of UFC 47 after months of Tito avoiding to sign the fight. Yet after only five minutes and 38 seconds, it was 'The Iceman' who was left standing, as he emphatically stopped the former light heavyweight champion in the second round.