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by May 26, 2021 This Statcast series has been a ton of fun, but we’re turning it up a notch this week. Over the last few weeks, we’ve talked about barrels and barrel rates, exit velocity, and expected stats. This week, we’re diving deeper. We’re getting into Swing & Take numbers, Attack Zones/Regions, and Run Value. For pitchers and batters who have been struggling or thriving, we’ll see exactly what’s happening on pitches in the heart of the zone and outside of the edges. And yes, we’re going to talk about a certain starter with the last name Castillo w...

That fastball usage is at near all-time lows in the big leagues is something we all know pretty well. That, of course, means more breaking and off-speed stuff, more of those frisbee-looking pitches that make us fans wonder “how does anyone ever hit a baseball?” and cause more and more whiffs and slow walks back to the dugout. This, of course, is old news. Since pitch types have been tracked starting in 2002, the percentage of fastballs (four-seam and sinkers) has steadily gone down from 64.4% in ‘02 to just 50.9% so far in 2021. And the pitch that is the mastermind behind that sharp de...

May 26, 2021 There is an index called pitch value that calculates the increase or decrease in runs scored depending on the pitch type. In this article I will look to create an environment-neutral version of pitch value. Shortcomings of Existing Pitch Value Pitch Value (hereafter PV) and RV use the average or sum of the variable values of RE288. This method has the advantage of being able to measure how much a pitch actually increased or decreased the number of runs scored on that pitch. However, the metric is not consistent enough to be used in a single year given that it depends on a relativ...

May 26, 2021 There is an index called pitch value that calculates the increase or decrease in runs scored depending on the pitch type. In this article I will look to create an environment-neutral version of pitch value. Shortcomings of Existing Pitch Value Pitch Value (hereafter PV) and RV use the average or sum of the variable values of RE288. This method has the advantage of being able to measure how much a pitch actually increased or decreased the number of runs scored on that pitch. However, the metric is not consistent enough to be used in a single year given that it depends on a relativ...