Several top MLB prospects have already made their way to the majors early in the 2012 season. Bryce Harper, Mike Trout and Jarrod Parker, among others, have already provided significant contributions to their teams as the season nears the quarter pole.
Other prospects around the league are just beginning to scratch the surface, and there are a number of others who are off to scorching starts at the minor league level, just waiting for their chance to shine in prime time.
Many of these prospects will indeed get their chance, and for the general managers of these particular teams, there will be some major decisions to make regarding roster space availability.
As the summer months approach, teams still in the hunt for a postseason berth will be looking to bolster their rosters, so some prospects could see their promotions occur at that point in time.
In other cases, calling up prospects just makes more sense for teams who have veterans scuffling and not contributing.
Here is a list of 15 prospects who could turn established veterans into trade bait.