Waiting till closer to draft time. That's not to say they are going to trade for him then, but the longer they hold out the better chance the price goes down.
TitanInsider: Any closer and you'd be in the huddle.
Or like the way the Titans play the game the longer they hold out they miss out. That seems to be how things have gone for the past several off-seasons.
Terry-Asante Samuel To Titans