Many fighters throughout the 23-year existence of the UFC have been upset with the promotion for one reason or another.
However, very few fighters have been brave enough to stand up against UFC President Dana White.
In the video below, you can watch five fighters who were not afraid to defend themselves against the UFC figurehead.
Legendary UFC fighters such as former UFC Light Heavyweight Champion Tito Ortiz and Nick Diaz have had no problem standing up to the UFC. Ortiz stood up the UFC over the treatment of fighters, while Diaz fought against the UFC telling lies.
Current UFC stars such as Al Iaquinta, Mark Hunt, and Nate Diaz are currently leading the battle against injustice in the UFC. Iaquinta has been leading the fight against fighter pay, Hunt has been leading the charge about the UFC looking out for fighter safety, and Nate Diaz is fighting to prove what fighters are worth.