Alright, the WW is strong even w/o PBF. Here's the top curent welterweights. Rank the top 5 if there was a tournament between all of them.

Margarito
Cotto
Clottey
Williams
Cintron
Mosley
Quintana
Judah
Berto

Honerable mentions
Jackson Bonsu
Sotto Karras
Luis Collazo

Heres my top 5
1- Margarito 2- Cotto 3- Mosley 4-Berto 5-Williams