ESPN's pound-for-pound rankings: Roman Gonzalez takes top spot

Who is the world's best fighter, regardless of weight class? Check out ESPN's latest Top 10.

Don't forget to check out Dan Rafael's divisional rankings, which are updated weekly.

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

Note: Results are through Sept. 23

THE PANEL: Dan Rafael, Brian Campbell, Nigel Collins, Teddy Atlas, Kieran Mulvaney, Bernardo Pilatti, Eric Raskin, Salvador Rodriguez, Carlos Narvaez and Rafe Bartholomew.

The rankings are based on a descending points system, with a first-place vote receiving 10 points, a second-place vote receiving 9 points, and so on. A tie goes to the fighter with the highest submitted ranking and then the most votes at that ranking.

Other receiving votes: Terence Crawford (12), Juan Francisco Estrada (11), Naoya Inoue (7), Vasyl Lomachenko (3), Keith Thurman (2)

Notes: Floyd Mayweather is not included after announcing his retirement from boxing following his unanimous decision victory over Andre Berto on Sept. 12, 2015.