Saturday night, Miguel Cotto takes on Ricardo "I am insane and you are a woman" Mayorga on Showtime pay-per-view. It's the boxer against the puncher, the quiet one against the bombastic one, the respectful against the irreverent.
For Cotto, it marks his second fight at junior middleweight, and a chance to further his status among boxing's elite.
For Mayorga, the fight is one more moment on the big stage, and one more attempt to chop down a significant fighter.
Here, we take a look at 10 key aspects of the fight.