Can Rios live with Gamboa's speed?
Can Gamboa take Rios' punch, should he land clean, considering that Gamboa has been on the deck more than once.
How big a factor will the weight be, both in Gamboa moving up two divisions, and Rios' notable struggles in previous bouts to make the 135lb limit?
What path will both of their careers take win or lose?
Which fights most interest you, and why?