I think this is they right way of thinking about this. He has value to some and if the Twins have to take 1-2m salary to get a A level something back it wouldn't be the worst thing in the world. He's covered by Castro and while Martin hasn't looked great he has upside and options. I'm completely disappointed by Martin in the outfield but similarly with Margot as well.
The options are the key here, and will be very important soon. Tampa might be the place, he's an old friend and they aren't exactly tearing it up in the outfield. The familiarity might be enough. He's here as a placeholder for the kids, if the kids are better than him its time to go.
Speaking of old friends, he was part of an old trade for Emilio Pagan as well. Huh.