I like De Aza. He is too old to call a prospect at this point but he should be a 10-15 HR, 20-30 SB guy if he plays all season and he has been a .300+ hitter in the minors. He could be a mini Victorino.
I also like Mike Adams. Consistent elite peripherals, good K and I don't trust Nathan to last the full season at age 37 in that heat and while Nathan's 2nd half was good it was still below his pre-injury levels.