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Wednesday, August 21, 2013
Updated: September 13, 2:31 PM ET
Five keys for Floyd Mayweather Jr.

By Bernardo Pilatti
ESPNdeportes.com

Floyd Mayweather Jr. has another difficult fight in front of him on Saturday, but the unbeaten pound-for-pound king has been there before.

This time, his opponent -- fellow unbeaten junior middleweight titlist Canelo Alvarez -- is a hungry, younger fighter with lots of power.

Mayweather, however, is still fast, and his experience and defensive skills will likely present a problem for Alvarez. But in boxing, nothing is written in stone and to achieve victory, Mayweather will need all of his knowledge -- and his tricks.

Here are five keys to victory for Mayweather against Alvarez: