Friday, February 25, 2011
Pitching expanding the strike zone
J-Doug. The x-axis represents how many feet the pitch is from the edge of the strike zone. So, “-1” means that the ball is one foot (inside) from the edge of the strike zone (i.e. down the middle). A “0” means a pitch is thrown at the edge of the strike zone. A “+1” means the pitch is one foot (outside) from the edge of the strike zone.
The edge of the strike zone is any of the four lines of a rectangular strike zone. J-Doug uses the closest of the edge to the pitch.
J-Doug is suggesting that pitchers who pitch inside the strike zone (south-west quadrant) are not getting the extra calls from the umpires, while pitchers who pitch outside the strike zone (north-west quadrant) are getting very favorable calls.
Fascinating stuff!


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