No fighter is invincible, but Jon Jones is as close as they come.
Mauricio Rua, Lyoto Machida, Quinton Jackson and, most recently, Rashad Evans have all fallen to the UFC light heavyweight champ.
Former Pride and Strikeforce champion Dan Henderson is next in line. How can the 41-year-old future Hall of Famer succeed where so many others have failed?
It's going to be tough. Outside of a massive overhand right and strong wrestling, Henderson doesn't really have much to offer Jones.
Still, history has taught us to never count out Dan Henderson. The rugged MMA veteran has fought and defeated countless legends, ranging from middleweight to heavyweight.
Does he have what it takes to defeat Jon Jones?
The proof will be in the pudding. At only 24 years of age, Jones is already being considered as an all-time great. To pull off the upset, Henderson will have to put on the best performance of his legendary career.
Here are three things he has to do to defeat Jones.