The Yankees scored 858 runs last season and by my count should be better at six everyday positions and they'll have a much better bench.
6? That seems optimistic.
1B because Byrd should be healthier
The OF/DH spot Stanton takes for sure (massive upgrade)
Those are the only 2 I see for sure. Not convinced Walker is going to better than Castro offensively was or Drury is going to be better than Headley/Frazier at 3B offensively. Even if they are, that's 4.