As for trades, Viciedo hit 25 homers as a rookie - everyone knows his weak points (Ks, low OBP) but he was a rookie. We really want to dump him? Beckham doesn't hit, but he can field...we want to dump him (for peanuts), but bring Morel to 3rd? (we can move him to third). If we can spend some money for serious upgrades, then great. But selling low is a fools-game.
De Aza or Rios - I'm okay with selling high - just make sure we do it. No zeroing in on a team's #6 prospect off of a bad year like we did last year with Quentin and Santos.
But if we can't, find maybe one starter upgrade, and continue to improve the pen.