This is true. However, I'd have a much easier time buying into the notion of clutch pitching than clutch hitting, for a number of reasons - the (seeming) existence of a "closer mentality" or something like it; the fact that pitching, being less reactive in nature than hitting, might be more significantly affected by mental state, etc. Although I would bet that a clutch pitcher is not one who pitches better than usual in pressure situations, but one who merely pitches at his usual level in those situations, not allowing the pressure to get to him. We've all seen a pitcher fall apart when things start getting a little ugly for him: losing control, making bad pitches, all that jazz (Zambrano comes to mind, although I think that's as often due to fatigue as anything else). The "clutch" pitcher, if there is such a thing, is probably (in my mind) one who doesn't let this happen. Then again, this is all speculation.