We'll see. Montero probably either makes the team as the long man or is the first man up when there's another injury (inevitable, obviously). If either Syndy or Matz dominate in the minors they'll have a strong case over him though.
One thing I do know is that the team is now one injury closer to selling at the deadline (Murphy, Colon if he doesn't suck and they can get literally anything back in return).