What we're seeing right now with Pettitte is the major downside of incentive-based contracts. If he wasn't pitching for an extra 750K for every 10 innings over 180 this year, I'm sure Pettitte would be on the DL right now instead of going out there every 5 days and looking brutal every time. I'm sick of seeing guys warming up in the 3rd inning every time he pitches because no one's sure if his back is ok. This isn't working. The Yankees need to take a stand and at least make him skip a start.