If anything, I'd guess that Matheny is the equivalent of a player reclamation project. They see things they like...but want him in their system to see if they can fix what they don't like. They might just want him around Yost to see if he can learn from what Yost learned about his own mistakes in Milwaukee. It won't make him any better of a tactician (Yost has never really developed on that end, either), but it could move him towards being a better manager to players. It's not a terrible idea. I doubt it's a given at all that he's next in line, regardless.
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