The Phillies have arguably the best pitching in all of baseball. Between Roy Halladay, Cliff Lee and Cole Hamels, their group of aces in unmatched. But, in the Phillies' farm system exists another group of aces: the "Baby Aces".
The Baby Aces are a collection of top Phillies' prospects, headed by right-handers Trevor May and Jonathan Pettibone. In 2011, the original group of "Baby Aces" were May, Jarred Cosart (who was traded to the Astros for Hunter Pence) and Brody Colvin, but thanks to impressive performances in 2011 by Pettibone, Julio Rodriguez and Jesse Biddle, the number of Aces has expanded to five.
In this slideshow, each of the five aces will be evaluated on their past and their future.
Bryan Sheehan is a Contributor for Bleacher Report. Unless otherwise noted, all quotes were obtained first-hand or from official interview materials.