Pound-for-pound rankings: Spence makes a big jump

Errol Spence Jr. moved up all the way to No. 4 after his impressive victory over Mikey Garcia. Ryan Hafey/Premier Boxing Champions

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 March 21.

THE PANEL: Dan Rafael, Timothy Bradley Jr., Teddy Atlas, Steve Kim, Bernardo Pilatti, Eric Raskin, Nick Parkinson, Nigel Collins, Charles Moynihan and Salvador Rodriguez

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

Others receiving votes: Oscar Valdez (8), Deontay Wilder (6), Manny Pacquiao (5), Leo Santa Cruz (4), Luis Nery (2), Juan Francisco Estrada (1), Jarrett Hurd (1), Oleksandr Gvozdyk (1).