Depends on your needs. Just by rating them
Wells - Great Power
Sanders - Old, but if stays healthy, capable of 30 20
Pierre - 100runs, 60 sbs.
Hidalgo - Breakout year or the correct term is "return of the real hidalgo"
Dye - Not going to keep this pace through the whole season.
Nevin - descent, but not a stud with the injury issues.