1) Walker - probably not. I don't care about OBP that much but the problem it suggests - lack of plate discipline - is something that would probably be fatal to him at AA. 2) The power is nice but I'd still be worried about plate discipline. 3) Not really. Lots of players have played on winning teams and not made the majors. 4) I think he would. People forget how good of a bat he has, period. It wasn't "he's good for a catcher." It was an elite bat. His career OPS+ coming into this season, which doesn't take into account position or league, was as good as or better than many other great hitters, including Teixeira, Howard, Adrian Gonzalez, David Wright, Griffey, Longoria, Kaline, etc. And I think it would be fair to say that his numbers would have been slightly better if he didn't have the wear and tear of catching in those seasons on him - and his counting stats would have been better. I guess that's a long way of saying that Mauer's hitting ability was always HOF caliber regardless of position.