Pound-for-pound rankings: Lomachenko remains ahead of Crawford

Stephen A.: I'm going with Spence Jr. over Crawford (2:50)

Stephen A. Smith picks Errol Spence Jr. over Terence Crawford for the potential huge boxing matchup. (2:50)

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 April 21.

THE PANEL: Dan Rafael, Timothy Bradley Jr., Andre Ward, Joe Tessitore, 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: Deontay Wilder (10), Oscar Valdez (8), Manny Pacquiao (6), Leo Santa Cruz (4), Luis Nery (2), Juan Francisco Estrada (1), Jarrett Hurd (1), Oleksandr Gvozdyk (1).