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. I agree. This is exactly how I think of any notion of "clutch" pitching.