The Ultimate Fighting Championship: Classic Heavyweight Bouts

At first the fans inside the Mandalay Bay Events Center booed the stoppage between UFC Heavyweight Champion Frank Mir and Tim Sylvia. But most changed their minds as the saw the replay of Syliva's arm breaking during Mir's arm bar attempt.

It's a battle of styles as Danish kickboxer Antoni Hardonk takes on wrestler Sherman Pendergarst. Both fighters are looking to prove themselves in the Heavyweight division.

Mirko Crocop makes his much anticipated UFC debut against Eddie Sanchez.

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.

Antonio Rodrigo Nogueira squares off against Heath Herring for the third time but the first inside the Octagon. See this back and forth fight in which Nogueira got into big trouble late in the first round.

Randy Couture was fighting for respect at UFC 74 against the much younger up-and-coming Gabriel Gonzaga. What he ended up finding was his form as he successfully defended his Heavyweight Championship.

A classic submission kimura happens quick when two heavyweights fight their way closer to championship contention.

The big question coming into this fight was, "Can Brock Lesnar fight?" He answered that question early on as he took the former UFC Heavyweight Champion Frank Mir down in the first few seconds of the first round. But the veteran Mir was far from finished as he was able to pull guard and show Lesnar his jiu-jitsu skills.

This is a rematch of sorts for Cain Velasquez and Jake O'Brien only this time it's inside the Octagon vs a wrestling mat. Velasquez got the better of O'Brien the first time they did battle. Would Velasquez make it 2 in a row or would O'Brien got his long awaited revenge.

Kongo comes off of a tough split-decision loss to Heath Herring and wants to show the fight world that he is indeed a winner to be reckoned with. Dan Evensen is the man standing in his way.

The hype surrounding Brock Lesnar emergence in the UFC has been enormous. After suffering defeat in his first fight, Lesnar will try to redirect his MMA career with a win over Heath Herring.

This fight features two heavyweights with serious knockout power. Shane Carwin and his perfect record travel to England to take on Neil Wain.

It's a match up with a lot of questions: How would Couture deal with the size and strength of Lesnar? Would Couture's experience be too much for Lesnar? There was only one way to find out, and that's with a legendary fight inside the Octagon.

Shane Carwin has been nothing but spectacular in his short MMA career. He sports a 10-0 record, finishing all his fights in the first round. However, Carwin has never faced a fighter as dangerous as Gabriel Gonzaga.

Randy Couture is a UFC legend and the UFC Heavyweight Champion. Brock Lesnar is a former WWE star with a combination of freakish size and athleticism. The wily veteran will have to use all his skills and experience to defend his crown.