from Amazon
Saturday, September 05, 2009
This is a really good article…
We don’t as a general rule link to articles like BBTF does, but I really liked this article, especially this part:
Interestingly, there is not a lot of variance in pitch use by any of the groups of pitchers. Major league pitchers tend to average 58 percent fastballs, 30 percent breaking balls, and 12 percent change-ups regardless of whether they are top- or back-of-the-rotation types. An exception is the group of pitchers with fastballs that average greater than 91 mph but whose FIPs place them in the bottom half of pitchers. The high-velocity, ineffective pitchers averaged 72 percent fastballs in 2008, suggesting that ineffective secondary pitches are likely limiting their ability to succeed.
It is analysis like this which is starting to do what I think is most valuable with the pitch f/x data - and that is to find out what makes pitchers effective and what doesn’t…
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