Stephan Bonnar will try to do what no other man in the UFC has yet to do, and that is defeat Anderson Silva.
The two meet in the UFC 153 main event from the HSBC Arena in Rio de Janeiro, Brazil.
A Silva victory will move his UFC light heavyweight record to 3-0, and his overall UFC record to 16-0.
Bonnar is just trying to shock the world.
Will the heavy favorite continue his winning ways, or will Bonnar pull a rabbit out of his hat?
These are the five reasons why you simply cannot miss this fight.