MMA history was made on November 12th 2011 when Junior 'Cigano' Dos Santos struck the champion, Cain Velasquez, with a devastating overhand right, leaving the UFC world in shock.

The Brazilian took the title away from a man who was tipped to not only win the fight but hold the belt for a long time.

No one thought that Dos Santos had a chance; it was simply believed that Cain was the number one fighter in the division by a distance and a deserving champion. 

Going into the title fight in 2011, the majority of people were agreed the Velasquez would walk out of the Octagon with his belt still around his waist, unless he got hit early, then the fight wouldn't go on for too long. 

Cigano definitely made a point to the world that he was a force to be reckoned with and that he was not to be written off no matter who his opponent is. 

However, we all saw Velasquez in that fight and knew that he wasn't at his best, not by a long shot and therefore a rematch was in order for both fighters to prove their worth. 

Before their second encounter on December 29th 2012, both fighters had massive victories at UFC 146: Dos Santos' knockout against Frank Mir, which left the challenger rolling around the floor, confused about what had just hit him. 

Their rematch at UFC 155 saw the two fighters go the distance and Cain received a one sided unanimous decision after dominating Dos Santos for five rounds to reclaim the Heavyweight Title, but let’s be honest, we were all hoping for a knockout.

UFC 166 will allow both fighters to put it all on the line. Both have fought each other recently and are itching to be the best fighter in the division. The previous fights haven't settled that and it is hoped that this bout will. 

It will be interesting to see both fighters’ tactics going into the matchup: Will Velasquez stay standing and try and trade with Cigano or will he do what he does best and get Dos Santos onto the canvas and pound his way to victory? 

Will Dos Santos improve on his ground game, which is supposedly good anyways as he is a Jiu-Jitsu Black Belt, or will he stick to his devastating kickboxing and try to knockout the Champion like he did to Mark Hunt? 

UFC 166 will definitely show who the best man is, so get ready for October 19th folks, it's gonna be a good one!

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