Well based on achievements at the 147 weight class it's pretty easy.
1. Miguel Cotto
2. Floyd Mayweather
3. Antonio Margarito
4. Carlos Quintana
5. Paul Williams
6. Shane Mosley
7. Joshua Clottey
8. Kermit Cintron
9. Andre Berto
10. Issac Hlatswayo
If you rank the division P4P, which is how most divisions are ranked imo.
1. Floyd Mayweather
2. Miguel Cotto
3. Shane Mosley
4. Carlos Quintana
5. Antonio Margarito
6. Paul Williams
7. Joshua Clottey
8. Andre Berto
9. Zab Judah
10. Kermit Cintron
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