Pelfrey has already been called up to AA after tearing up A+ for a month (1.64 ERA, 27 K in 22 IP. Two starts, one very good (5.2 IP, 8 K, 2 BB, 0 R), one not so good (4 IP, 3 K, 1 BB, 5 R). I'm pretty sure that the A's are deeper in position prospects right now, so Pelfrey could be appealing.