Ainge is no doubt open to making a move, and he has some good currency (a first round pick from Memphis, etc.) to use in the marketplace. But he made it clear he won’t upset what’s here now just to get any tall person. “It’s always about who,” he said. “It’s not, like, how tall they are. It’s not like you can just go find any 7-foot guy and put him out there and all of a sudden you’re going to be better. It depends on who that is and whether they’re better than Marcus Smart guarding the center.