The time has come for teams across Major League Baseball to follow the league's official advice: Let the kids play.
As a result of roster expansion, there will be prospects aplenty either debuting or returning to the majors in September. Rather than focus on all of them, we've rounded up a list of the best of the best who figure to play roles in the American League and National League pennant races.
These are guys who not only play for contenders but who are going to get a chance to contribute in a significant capacity.