Monday, August 14, 2006
Pitching and Game Theory
It is difficult to comprehend how game theory (randomly mixing up your pitches as a pitcher and what to expect as a hitter) comes into play in baseball. In response to a post I made on BTF explaining that in any given PA, there really is no “wrong” pitch. One must look at a number of pitches in the long run in various situations to see whether a pitcher is making mistakes in his selection process. The reason that there can never be a “wrong” pitch in any given PA is that a pitcher should NEVER throw or not throw a certain pitch 100% of the time. Therefore you should correctly see every single type of pitch possible in any given situation at least SOME of the time (even if it is 1% of the time).
A BTF reader and poster disagreed with this assessment (I guess) and wrote:
“If a guy couldn’t hit a curve knowing it was coming, i wouldn’t be too worried about game theory in attacking him.”
I responded:


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