BaseballHQ.com: Starters' Pitch Movement
on January 25, 2013 @ 11:52:28
By Stephen Nickrand
While this data can add more to our analytical toolbox, the analysis of it is still an evolving process.
After all, pitch movement by itself doesn't really tell us much. The effectiveness of pitch movement varies by pitch type. It also differs based on the handedness of the batter.
Likewise, the amount of pitch movement does not have the same effectiveness for every pitch. For example, a small, late break of a slider might be just as or more effective than one with more movement.
In addition, some pitches benefit more from vertical movement than they do from horizontal movement.
Pitch movement, velocity, and location all play key roles in the success of a pitch.
That said, let's dig a little deeper to see which starting pitchers had the most movement on their pitches in 2012. We'll also look at those who increased their pitch movement the most in 2012 vs. 2011.
Here are the SP who showed the most aggregate movement on their pitches in 2012, calculated by adding together their weighted horizontal and vertical movement (in inches) by pitch type:
Pitch Movement 2012
*Min 40 IP
While this list by itself doesn't tell us much, it does highlight the upside of guys like SP Matt Moore, Tampa Bay and SP Jake Arrieta, Baltimore, young pitchers offer both pitch movement and velocity.
Most pitchers maintain consistent aggregate pitch movement from year-to-year.
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