Bro, what part of "it takes one bad throw due to a mechanical error" and "fatigue increases the likelihood of this happening" is the sticking point? An injury can happen anytime, anywhere, under any circumstance, but it is absolutely, definitively logical to assume that throwing lots of pitches in consecutive days increases the likelihood merely by chance. We're not arguing Foulke specifically, which is why I prefaced with "my issue is the generalization", but overuse during the playoffs may have very well been the straw that broke the camel's back. You deny it categorically, I say it's a possibility. Ask Robb Nen.