From an article in the Times on September 10:

Andy Pettitte, who starts on Wednesday, said he does not know if he will pitch next season but has no interest in playing for any team but the Yankees. "Obviously anyone else would say, 'I'll go wherever I want to,' because people want to try to get the most money," Pettitte said. "But, I mean, I'm not going anywhere, you know what I'm saying? The Yankees know me enough, it's not like I'm going to hold out. I guess if I had spent all my money or whatever, it might be different. But it's not about that, really, anymore." Pettitte said he would talk with his wife and oldest son in hopes of making a decision sooner than he did last winter, when he waited until December to tell the Yankees he would return.

I mean, he could have said this with the mind set that he would make the same amount of money again, so he wouldn't hold out for more, but still...