THE BOOK--Playing The Percentages In Baseball

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Friday, March 28, 2008

Swingmen PITCHf/x

By Tangotiger, 12:23 PM

This is a request for research. First, read my Smoltz post, along with post #5. There was a call from MGL in post 6 to use the pitch-by-pitch data, and I’m repeating it here. What do the PITCHf/x numbers look for guys in dual roles (starter/reliever)? Are they pitching faster, which is the reason that the difference in outcomes is almost entirely due to the higher K rate? What is it that they are doing differently, and are *all* pitchers like this, or just guys with a plus fastball?

Someone later on postulated that umpires’ strike zones are not consistent inning-to-inning. So, does the strike zone change? Does it get wider in the later innings, and specifically in the 9th inning of a close game? Does it change based on a new pitcher? Does the score of the game affect the size of the strike zone?

(6) Comments • 2008/03/28 • Sabermetrics • Ball_Tracking

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THE BOOK--Playing The Percentages In Baseball

Friday, March 28, 2008

Swingmen PITCHf/x

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