Saturday, October 24, 2009

Met Prospects Pitch F/X

So, if you haven't heard, there are several Mets playing in the Arizona Fall League, on the Surprise Rafters. The Arizona Fall League also has Pitch F/X data, which is what you see on gameday.
It is explained here and here.
The last game that we have Pitch F/x data from (from Brooks Baseball) is October 22, where Josh Stinson went 1 inning, giving up 1 hit, and striking out 1. Stinson is a 21 year old right hander who had a 1.98 ERA in Port St Lucie.
His Pitch F/x data:

Josh Stinson, 10/22/09

Pitch Type

Avg Speed

Avg Pf_x(Horizontal Break)

Avg Pf_z (vertical break_

Fastball (4 seam)

91.07

-6.41

7.94

Changeup

84.75

-9.52

6.75

Slider

82.90

1.99

1.61

Curveball

77.97

6.85

-5.23

2-seam Fastball

89.90

-7.98

5.54

Information gotten from Brooks Baseball, which is an awesome site.
Negative values on horizontal break means the pitch is in to righties, and positive values mean it's in to lefties. 1.99 mean's it's fairly down the middle of the plate.
Stinson threw 13 fastballs, 3 curves, 2 changeups and 1 slider and 2 seam fastball.
So, his fastball breaks inside to righties, his curveball breaks inside and down to lefties, and low and away from righties, which seems to make it a good out pitch.

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