According to their milb.com player pages, the following DSL/VSL players being recently released:
Darling Alduey - Just 18 years old, he signed in late 2009 and posted a 6.43 ERA in his only season last year, walking 17 batters in 14 innings. His release comes as a surprise as he signed for a decent amount, $60 K and was said to have an above average curveball while also throwing his fastball up to 88mph with what they said was "room to grow". Factoring in his age and that he is a LHP this one was unexpected.
Jona Corporan - 19 year old pitcher signed last year,was nearly unhittable holding batters to a .133 BAA but had major control issues walking 20 batters in just 13 innings.
Luis Valdez - This one is a bit of a surprise as he signed for $75 K in 2009 and was said...
John was born in Kearny, NJ, hometown of the 2B for the Pirates 1909 World Championship team, Dots Miller. In fact they have some of the same relatives in common, so it was only natural for him to become a lifelong Pirates fan. Before joining Pirates Prospects in July 2010, John had written numerous articles on the history of baseball while also releasing his own book and co-authoring another on the history of the game. He writes a weekly article on Pirates history for the site, has already interviewed many of the current minor leaguers with many more on the way and follows the foreign minor league teams very closely for the site. John also provides in person game reports of the West Virginia Power and Altoona Curve.