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Thursday, August 23, 2007
Pitch Trajectory
The PITCHf/x work continues, with Joe Sheehan showing us some plot points (overhead, and side). I said this in response to something else:
What I like to do is say: “How many feet away will it take to travel 0.20 seconds to home plate?” If the human reaction time is around 0.20 seconds, this will tell us exactly where the ball is when the batter has to make his decision. This will also handle the issue about throwing the ball from OF at 200 MPH. The question is always: when does the batter have to decide. I think it’s alot clearer to tell a fan that a batter can decide on a Wakefield pitch when it only 20 feet away and when a Zumaya pitch is 35 feet away, then giving out numbers like .387 and .554 (or whatever… all number for illustration only). If it’s not .20, but .15 or .25, so be it, use those numbers.
Dan Fox also checks in. And you too can be an analyst by following the tutorial of Dr. Nathan. And Mike Fast is keeping track of it all.
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