Pitchers
Ruben Alaniz - Signed as an undrafted free agent on August 17, 2009
Jake Buchanan - Selected in the 8th Round of the 2010 amateur draft
Jorge De Leon - Signed an amateur free agent prior to 2009 season
Bobby Doran - Selected in the 4th Round of the 2010 amateur draft
Matt Heidenreich - Acquired in Brett Myers trade with Chicago on July 21, 2012
David Martinez - Signed as amateur free agent prior to 2005 season
Andrew Robinson - Selected in the 12th Round of the 2010 amateur draft
Ross Seaton - Selected in the 3rd Round of the 2008 amateur draft
Alex Sogard - Selected in the 26th Round of the 2010 amateur draft
Jason Stoffel - Acquired in Jeff Keppinger trade with San Francisco on July 19, 2011
Nick Tropeano - Selected in the 5th Round of the 2011 amateur draft
Pat Urckfitz - Signed as an undrafted free agent in June 2008
Asher Wojciechowski - Acquired in the ten player trade with Toronto on July 20, 2012
Catchers
Rene Garcia - Selected in the 35th Round of the 2008 amateur draft
Ryan McCurdy - Signed as an undrafted free agent on June 18, 2010
Carlos Perez - Acquired in the ten player trade with Toronto on July 20, 2012
Infielders
Erik Castro - Selected in the 10th Round of the 2009 amateur draft
Enrique Hernandez - Selected in the 6th Round of the 2009 amateur draft
Jonathan Meyer - Selected in the 3rd Round of the 2009 amateur draft
Jiovanni Mier - Selected in the 1st Round of the 2009 amateur draft
Ben Orloff - Selected in the 9th Round of the 2009 amateur draft
Outfielders
Michael Burgess - Selected in the minor-phase of the Rule 5 draft from the Cubs on December 6, 2012
Domingo Santana - Acquired as the PTBNL in the Hunter Pence trade with Philadelphia on August 15, 2011
George Springer - Selected in the 1st Round of the 2011 amateur draft
Austin Wates - Selected in the 3rd Round of the 2010 amateur draft