List ordered by frequency of fights, categories according to actual weight and qualities of opponents. Poor official results and pseudo hype are ignored.
1.
Naoya Inoue

Naoya Inoue

2.
Jessy Rodriguez

Jessy Rodriguez

3.
Aleksandr Usyk

Aleksandr Usyk

4.
Dmitry Bivol

Dmitry Bivol

5.
Junto Nakatani

Junto Nakatani

6.
Artur Beterbiev

Artur Beterbiev

7.
Saul Alvarez

Saul Alvarez

8.
Vergil Ortiz Jr

Vergil Ortiz Jr

9.
Kenshiro Teraji

Kenshiro Teraji

10.
Teofimo Lopez

Teofimo Lopez