I'm gonna dissent from the majority here. I like Odalis Perez this year.
He was pretty good both halves of 2002. He didn't get the wins in the second half, but his ERA and WHIP were still very respectable (3.24 and 1.09). Last year's numbers were bad, but he was bothered by injuries. He has good stuff and he pitches in Dodger stadium, so it should not be hard to bounce back.
I wouldn't expect 2002 numbers by any means, but he is still capable of a very good season. My projections for this year:
13 W, 150 K, 3.74 ERA, 1.15 WHIP.