Hendry and middle relievers

[rok]

I understand that Cashner is being groomed and stretched out to be a starter, but many SPs got started pitching out of the pen at the big league level to start their careers. Z in particular comes to mind, so I see nothing wrong with calling him up if we feel he can get hitters out. That said, we have too many pitchers on our staff to begin with. What happens to Silva or Gorzelanny when Lilly returns? I have a hard time envisioning 4 lefties pitching out of the pen, but that's just me. It would be nice if Silva could slot over to 7th or 8th inning duties, but I doubt that he wants to do that. This could get messy.