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By noting his weird short-arm stroke I'm not saying he can't pitch.
As you note, a lot of guys short-arm the ball and if you can get away with it velo-wise, more power to you. In my view, I don't know of anything from a physics standpoint that predicts tissue stress from that kind of stroke, other than that he has to muscle the ball more (without the Jered Weaver-like leveraging).
.................
In Liriano's case, you're talking a major injury already, and being slow to come back from TJ into the bargain. But you don't worry too much about those things?
It's good to hear an expert who is confident in Liriano's bounceback. :daps: