Contenders use prospects as trade bait

Every July, there's a lot of discussion of which prospects might be available in trades. But in the end, few of those guys actually are traded because top prospects -- the most common topics of discussion -- usually don't change hands.

Instead, the prospects who are traded tend to be midlevel prospects who project as major league regulars; under-the-radar guys the acquiring team likes a good bit more than the players' current team does; and hyped guys the selling teams have soured on and are making an active effort to move.

So here's an attempt to put the names of some the top prospects on each contending team into categories: