You will see all of Arum's fighters say the same thing. They are simply told to leave the promoting up to him. To call out a fighter, gives a potential opponent a bargaining tool thinking that you need them.

Bob runs a tight ship and is very shrewd. Did you see how tightly he was keeping to Manny in the ring after the fight? He was keeping the Golden Boy people from handing Manny any kind of business card!hehe

Cotto
Margarito
Pavlik
Pacquiao

All of them and many more under the Top Rank banner all say the same line.