I think there are circumstances where going to Muk as a fallback option might make sense. Several different things would have to happen. First, the market for McCutchen and Brantley would have to be strong, allowing them to command four year deals. Second, trade options such as Peralta might not materialize. Third, an opportunity to strengthen the team at reasonable cost in other areas (say a starting pitcher such as Carrasco or Greinke) might materialize. If those things happen we could bring back Muk and strengthen the team elsewhere.
Not sure I could see this part happening, but also not sure we've seen much to think the other parts of that aren't the case - at least at on December 1st.
Until Harper picks a landing spot, it's next to impossible to establish the market for Pollock, Brantley, and McCutchen, plus you've got all the potential trade chips depending on where those four land.
Sure it seems WAY out there, but there was one rumor floated about the Dodgers and Indians involving Puig and Kluber. Can't imagine who that makes sense to and who else would have to be involved, but if that (and the rumor that Harper's not interested in living in Philadelphia) lands Harper in LA, that suddenly leaves the next three guys as the targets for the Phillies' "stupid money", and so on. Would the Dodgers trade Puig AND Pederson or Verdugo for Kluber and sign Harper???
I could see Markakis as the last resort fallback if Pollock/Brantley/McCutchen are all looking at deals in the 4 or more year/$60 million or more range and Nick's market crashes and all he can get is a one-year deal from us for $5 million or less. You could then see Riley as the long-term LF if Donaldson were extended.
Not particularly interested in Keuchel any more than anybody else is, but if that Cafardo report's true maybe it signals that AA actually does have more money to spend than we think he does. Awfully hard to imagine Alex spending the type of money he'd have to to get Keuchel while leaving LF AND the pen as is. FanGraphs projects him for 4/$19.5 million and MLBTR for 4/20.5 million. Only ~ $5 million left for LF and the pen? Going to have to be one *elluva trade coming if you're not going with Camargo/Duvall or Riley out there, and playing Johan as your primary guy leaves Mac as your bench "upgrade" unless Markakis becomes the corner guy.
Really, really hard to see us spending big one one of the free-agent arms - and if AA were going to blow the budget on one (including a Greinke deal), it's tougher not to see Corbin or Eovaldi as the one he blows it on. Sure would be beyond awesome if Bowman's pie-in-the-sky numbers were right and we could somehow play on a Keuchel/Corbin/Eovaldi-level rotation piece AND Gonzalez though!