Nobody is unbeatable in the sport of mixed martial arts.
Georges St. Pierre got caught by Matt Serra.
Lyoto Machida's darting style of counter-striking looked to be an impossible puzzle to solve...until Shogun pieced it together.
And Jon Jones.
But then there's Anderson Silva.
The reigning defending middleweight champion of the world has been a juggernaut in the UFC's 185 lb. division since he made his promotional debut in 2006.
In his record nine title defenses, "The Spider" has been utterly dominant, scarcely dropping a round to his opponents.
So who can stop him?
The answer lies with the hottest middleweight prospect in the UFC and the man with the skillset to dethrone the champ.
That man is Chris Weidman.
Start the slideshow to see why he can squash "The Spider."