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It doesn't sound like Z is considering Ackley at 2B though.
If Ackley's your LF, what the heck are you doing with Saunders? You're better off building his value in AAA and then trading him this offseason before he loses his value as a guy adjusting at the big league level.
With Ackley's timeline at April '11 at the LATEST, Saunders needs to be dealt IMO for piece that fits at the big league level.