In baseball, working your way out of the minors can take anywhere from several months to many years. Only the truly elite prospects enjoy limited time in an organization's farm system. The rest, even those who are very talented, go through the critical and necessary building process in the minor leagues before getting a crack at The Show.
But once a player graduates to the big club, it must be tough to go back. Achieving that dream has to be one of life's best moments, but for plenty of players, the stay is temporary. Staying at the top level requires production, a clearly-defined role and, sometimes, a little luck.
We've already seen young prospects like San Franciso's Brandon Belt (pictured) run out of time. Though he'll probably be back at some point, Belt's first MLB audition didn't go as planned. Here are some other players who may be in danger of a return to AAA as the season progresses.