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A look at Ben Sheets fastball and curve from a side view

So here is the latest PITCHf/x creation.  I am plotting an average fastball and curveball for different pitchers to try to find the infamous  "hump" to the curve.  These plots are shown standing near where the 3rd base coach might be standing looking at the pitch from the side.  Currently, I am only using the crappy 2008 data but things don't look terrible.  Here is Ben Sheets.

Ben_sheets_curve_medium

via baseball.bornbybits.com

Sheets is supposed to have a very small hump or no hump so when I saw this I was a bit surprised.  You can see that Sheets is releasing the two pitches from slightly different release points which matches up with what we have seen from the 2007 data. 

Ben_sheets4_medium

via baseball.bornbybits.com

Sheets average fastball tends to be up in the zone with the curve near the knees.  This looked like a pretty big "hump" to me so I decided to look at a crappy pitcher to compare.

Sidney_ponson_curve_medium

via baseball.bornbybits.com

Ponson tends to work down in the zone with both his fastball and curve.  This results in a huge "hump" to his curve.  Also look at the difference in release point.  I have to imagine that this is basically telling batters what is coming.

Anyway, I am hoping to have some more quantitative stuff on this for my next THT article if anyone finds this stuff interesting.

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