Our best 26 and younger pitchers might be (upside potential, included):
25 Bello
26 Winckowski
24 Fitts
23 Sandlin
26 Slaten
21 Perales
22 Wikelman
23 Guerrero
20 E R-C
22 Bastardo
24 Dobbins
(I did not include any far away, recently-acquired pitchers.)