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The A's and D-backs are closing in on a deal that will send right-hander Trevor Cahill and lefty reliever Craig Breslow to Arizona, MLB.com learned on Friday.
In return, Oakland is expected to receive prized pitching prospect Jarrod Parker and outfielder Collin Cowgill, baseball sources confirmed. Another player could also be heading Oakland's way in the multi-player package.
Cahill, who would fortify the D-backs' rotation, is owed $29 million over the next four years in a deal that also includes two club options. Oakland's decision to move the 23-year-old only further represents its latest attempt at rebuilding while it awaits word on a new stadium.