Cotto, Hatton make pound-for-pound debuts

Who is the world's best fighter, regardless of weight class? See my top 20 below.

Make sure to check back next week for my division-by-division rankings.

For a list of the current champions in all weight classes, click here.

The rankings are updated on the second Wednesday of each month.

En espaƱol

Note: Results through Oct. 9.