"It's a difficult thing in the NBA. You're always looking for ways to improve. But I think we have plenty of players on the team. Now it's up to them to perform up to their abilities. You obviously evaluate as you go along and you'd really like to evaluate with a full deck for an extended period of time. And we really haven't had that full deck."Shorter Ernie Grunfeld: if you think I'm trading anyone this season, think again.