Top three pound-for-pound fighters

Updated: September 22, 2010, 6:07 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 Sept. 21.

Click here for Nos. 4-20. Insider