Joe Rogan is unlockable in EA UFC 2, and the method has been found how to unlock him in the game. The old Konami code is what you will have to enter to get Joe Rogan in EA UFC 2. The code is as follows.
Up,Up,Down,Down,Left,Right,Left,Right,B/Circle.A/X, and then start at the first menu to unlock Joe Rogan, who is playable at welterweight.
Let us know in the comments below if the code worked for you.