I've got to go with the Unit, if only because they both have injury potential (Schilling's ankle, RJ's knee) and RJ will put up crooked numbers. I think they'll each win Cy in their leagues. Which begs the question: when was the last time teammates from the previous year each won Cy in their respective leagues? Beats me, if it has ever happened before.
Oliver Perez watch
3-3, 3.74 ERA, 1.15 WHIP in 10 starts
23 BB, 8 HR and 72 K in 65 IP (9.97 K/9)
2 complete games, 1 shutout