Here are twenty five guys. I think the Twins would prefer that DeVries is just a commuter between here and Rochester until Diamond is ready to go, but truthfully I don't know if Liam Hendriks has distinguished himself enough that the pecking order is a lock. And Gibson is going to be up sooner rather than later.

Jared Burton
Kevin Correia
Cole De Vries
Brian Duensing
Casey Fien
Liam Hendriks
Mike Pelfrey
Glen Perkins
Ryan Pressly
Tyler Robertson
Josh Roenicke
Vance Worley

Catchers
Ryan Doumit
Joe Mauer

Infielders
Jamey Carroll
Brian Dozier
Eduardo Escobar
Pedro Florimon
Justin Morneau
Trevor Plouffe

Outfielders
Aaron Hicks
Darin Mastroianni
Chris Parmelee
Wilkin Ramirez
Josh Willingham