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General Discussion => Talk Zone => Topic started by: das on March 29, 2019, 12:34:14 pm

Title: Another good twitter feed to read
Post by: das on March 29, 2019, 12:34:14 pm
Not as good as Pitching Ninja (yet) but interesting for sure.  It's from the head of MLB Baseball R&D.  Lots of Astros info in the feed from yesterday.  Statcast-generated views of things.  I especially like to see the field positioning diagrams as plays (like a rundown) develops.

https://twitter.com/darenw
Title: Re: Another good twitter feed to read
Post by: Knoxbanedoodle on March 29, 2019, 01:20:59 pm
Very cool! I didn't understand the positioning one, though.
Title: Re: Another good twitter feed to read
Post by: das on March 29, 2019, 02:20:14 pm
Quote from: Knoxbanedoodle on March 29, 2019, 01:20:59 pm
Very cool! I didn't understand the positioning one, though.

For example, here's a flyout to Springer.  Each position starting point is the small circle and the big circle is the player position when the play ended.  In this example, Springer moves like a foot since he is so well positioned and the center fielder instinctually moves a few steps to right to cover.  Red line is the path of the ball.
https://pbs.twimg.com/media/D2xmFPnUwAAy6nu.jpg

In this scenario, it's a rundown so the player positioning over time is much more complex with the left fielder covering third base and the center fielder sprinting in to back up the rundown.
https://pbs.twimg.com/media/D2xSVVJWwAAtAgv.jpg
Title: Re: Another good twitter feed to read
Post by: Knoxbanedoodle on March 29, 2019, 03:15:11 pm
Excellent. Thanks!
Title: Re: Another good twitter feed to read
Post by: Astros Fan in Big D on March 29, 2019, 03:24:06 pm
Nice.   Thanks for sharing this.
Title: Re: Another good twitter feed to read
Post by: Astros Fan in Big D on March 29, 2019, 03:44:49 pm
Every pitch JV threw last season, broken down by type and count.

https://twitter.com/darenw/status/1111696482003021826?s=19 (https://twitter.com/darenw/status/1111696482003021826?s=19)
Title: Re: Another good twitter feed to read
Post by: Waldo on March 29, 2019, 04:11:32 pm
Quote from: Astros Fan in Big D on March 29, 2019, 03:44:49 pm
Every pitch JV threw last season, broken down by type and count.

https://twitter.com/darenw/status/1111696482003021826?s=19 (https://twitter.com/darenw/status/1111696482003021826?s=19)

Just eyeballing it, it looks like he had about the same number of 0-2 and 1-0 counts.  Awesome.
Title: Re: Another good twitter feed to read
Post by: Astros Fan in Big D on March 29, 2019, 04:54:56 pm
Quote from: Waldo on March 29, 2019, 04:11:32 pm
Just eyeballing it, it looks like he had about the same number of 0-2 and 1-0 counts.  Awesome.

Yes.  That diagram is heavily weighted to the 'pitcher's count' side.