Which current fighters would you say are gatekeepers for opponents? Or stepping stones? Zab Judah comes to mind or a Shane Mosley...
Berto is the million dollar stepping stone, I wouldn't say Judah I really need to see the fight before I say he a gatekeeper there is a myth that scrubs whip him which the record just don't back up and no Manny isn't a gate keeper he would never fight a dangerous young fighter, Bradley is as close as you'll get and he was made for him. Paulie seems to not know the role that could make him most money.
Marco Antonio Rubio, Martin Honorio, Zab Judah, Jesus Soto Karass, Bernabe Concepcion, Barros, Brian Magee, Rocky Juarez at this point...