Errol Spence 26-0 vs Floyd Mayweather 36-0

T. Crawford 36-0 vs Miguel Cotto 30-0

M Pacquiao 62-7-2 vs Shane Mosley 44-4

K. Thurman 29-1 vs Antonio Margarito 34-4

Sean Porter 33-3-1 vs Paul Williams 32-0

Danny Garcia 36-2 vs Kermit Cintron 28-1

Yordanis Uegas 25-4 vs Joshua Clottey 30-2

k. abdukorahorov 17-0 vs Luis Collazo 27-2

Sergy lipinets 16-1 vs Oktay Urkal 38-3

Mikey Garcia 40-1 vs Jackson Osei Bonsu 26-1

Pitting each one head to head
Can be matchup, comparing skill or just rating one division overall as better.