Pac's optimum weight is 140. It's only that the bigger and better names are at the 147 zone, that he's been venturing there. Unfortunately for him though, Floyd holds all the cards at this weight when they meet.
This is a good vid about this Pac **** [ame]http://www.youtube.com/watch?v=V6RB5jnO1L8&feature=player_embedded[/ame]