Bang the Drum Slowly

but a conundrum, nonetheless.

Let's say Garza gets called up, and pitches great. Not Liriano great, but 1991 Scott Erickson great.

(Assuming best possible scenario- Twins are in the playoffs) When it comes time to set up the postseason rotation, what does it look like?

What's Crain's role? Is Tyner still in the starting lineup?