Miller taking next steps in Tommy John rehab

Miller strikes out Gonzalez PHOENIX -- A bullpen session awaits D-backs pitcher Shelby Miller on Tuesday, the next step in his long return from Tommy John surgery last May.

Then comes some game action on Friday in extended spring training. Miller looks forward to seeing where his stuff is in what will be a bit different setting than has been the norm in his rehab, since he gets to face a different team instead of Arizona's Minor Leaguers.

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"Friday's a big day for me, for sure," Miller said.

He figures after a few outings, he'll be ready for a rehab assignment in the Minor Leagues, starting at the Class A level and moving up to Triple-A, where he can build up innings and…