Here's all you need to know about the undercard for Canelo Alvarez and William Scull's undisputed title fight on May 3 in Riyadh, Saudi Arabia.

Canelo Alvarez has fought on Cinco de Mayo weekend a total of 10 times, with the Mexican superstar bringing his talents to the fight capital of Las Vegas for seven of those appearances.  Traditions tend to change within the sport over time,

It’s not often that a full unification bout is a perceived mismatch designed to set up an even bigger fight, yet that's precisely where we are with Friday's clash between Saul "Canelo" Alvarez and William Scull.