I would agree that Grienke and Gallardo are due for improvements, only I think they have a chance on being significant. If Yo gets off to a better start and pitches more like the guy down the stretch he would be a Cy Young candidate. As for Zach I feel like his ERA has to start being reflective of his insanely good peripheral stats, why not this season... and he will hopefully stay of the bball court in spring. I would agree Marcum could see a slight regression, and Wolf almost has to see some regression. Narveson I think is what he is, he will likely perform similar and for a 5th starter that is fine by me. The aspect that I think we are overlooking is that if a minor injury to a top arm, or a significant injury to a bottom of the rotation arm occurs, I think the team has two options in Peralta, and Fiers that will be major league ready this year. I actually thought the team should have possibly tried to shop Wolf or Marcum in an attempt to clear 6-10M and allow Peralta a shot to beat out Estrada in camp, and if not in camp after a few more starts at AAA. The Reds have proven that going with the young arm can prove to be effective if the prospect can handle it. I believe that after we considered Peralta as a possibility in 2011 and he went out and had the season he did, how can he not be considered a possibility if he blows us away this spring? In other words I think it could be significantly improved by better IF and OF defense. (Aoki>Kotsay, Gomez healthy) Grienke and Gallardo improving, Marcum and Wolf still posting ERA's at or below 4, and Narveson, Peralta, Fiers, and in a sense Estrada providing us with pretty decent depth if a pitcher does miss some time.