Top three pound-for-pound fighters

Updated: May 30, 2012, 6:49 PM ET
By Dan Rafael |

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

And don't forget to check out the divisional rankings, which are updated weekly.

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

Note: Results are through May 29.

Click here for Nos. 4-20. Insider