His overall numbers are still good. It's mostly a lack of run support. If Zito had 15 wins or so, there wouldn't be many complaints. As to his curve, sounds like an elbow injury or maybe he's worried about getting an elbow injury.
Yes doctor, I am sick.
Sick of those who are spineless.
Sick of those who feel self-entitled.
Sick of those who are hypocrites.
Yes doctor, an army is forming.
Yes doctor, there will be a war.
Yes doctor, there will be blood.....