Who is the world's best fighter, regardless of weight class? See my top 20 below.
Click here for my division-by-division rankings, from heavyweight to strawweight.
For a list of the current champions in all weight classes, click here.
The rankings are updated on the second Thursday of each month.
Note: Results through Dec. 14.
To continue reading this article you must be an Insider
Become an insider and get access to all our articles and tools.