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. In it, a new heavyweight champion, Shannon Briggs, joins the list after his Nov. 4 TKO of Sergei Liakhovich.
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 Nov. 9.