Graph of the Day: Dan Wheeler's Release Points

by R.J. Anderson on Apr 15, 2009 12:24 PM EDT Comment 9 comments

This seems encouraging when bundled with decreased velocity.

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I assume

the different colors represent different pitches?

by Brendan Scolari on Apr 15, 2009 2:15 PM EDT reply actions 0 recs

Oh no

The app stands for appearance, duh.

by Brendan Scolari on Apr 15, 2009 2:17 PM EDT up reply actions 0 recs

We talked about this last year with Josh Kalk's analysis of Manny Parra at BCB

Announcers sometimes talk about pitching from either side or the middle of the rubber. It doesn’t explain the lower angle, but maybe he was moving side to side in each start.

Scored three times and detonated an indisputable in four visits to the batting box.

by Jordan M on Apr 15, 2009 7:10 PM EDT reply actions 0 recs

I want to know how accurate pitch f/x really is on release points

primarily, what kind of error range we are working with (in inches). also, how big should your x and y axes ranges be for a graph like this? i know that in the graphing 101 post, it was -3 to 3 and 0 to 7, but how was that determined? as the axis get bigger, the release point differences look smaller and smaller

that being said, it sure looks like wheeler’s arm is getting better. an injured pitcher generally drops his arm slot, but it seems that wheeler is raising it (assuming release point is related to arm slot).

"If Bowden was a general contractor, he'd build houses with nine bedrooms, six garages, no bathrooms, and half a roof."

by DyeLongJustice on Apr 15, 2009 10:22 PM EDT reply actions 0 recs