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04
22
2017

Basics of Pitch Design Using Rapsodo

By this point, you’ve probably heard a lot about about pitch design. But how exactly do we go about designing pitches? What are we looking for when working on a pitch? What tools do we use? How do we do it? The most important tool we have in house is the Rapsodo. It provides instant feedback on the...

03
29
2017

Bauer Units and Pitch Comparison

In our article Spin Rate Part 1, we formally introduced Bauer Units. Bauer Units normalize spin rate per velocity, which, as you’ll see, is important when comparing pitchers’ spin rates. Let’s review the Bauer Unit equation: Bauer Units = Spin Rate (RPM) / Velocity (MPH) This is pretty straight forw...

11
28
2016

Spin Rate Part II: Spin Axis & Useful Spin

Building on Part One of this series we’ll be looking at how spin rate actually causes pitches to move, and what we can do to affect this. Review of Spin Rate: What we Know Now In our previous article we talked about the Magnus effect which, as a result of the backspin a thrown ball has, generates li...

11
17
2016

Spin Rate: What We Know Now

This article is intended to build a basis of knowledge of what we, at Driveline Baseball, understand about spin rate at this current time. We will hopefully answer some common questions that we receive and well as link out to resources that we’ve found helpful in understanding spin rate. This articl...

03
14
2014

How to Protect Your Curveball

I was recently in Spring Training with the MLB team I consult with, watching a few pitchers throw, when a Pitching Coordinator came over and remarked to another pitching coach that pitchers need to throw high fastballs to protect their curveball. I asked the coordinator to expand on his statement, a...

05
23
2013

Pitch Tunneling, Featuring Kevin Gausman

From today’s game (God bless technology): What I said about Kevin Gausman in my 2012 MLB Draft Recap over at THT: Gausman’s stuff is very good. I prefer guys who have learned a curve ball or at least supplement a side-to-side breaking ball (slider, cutter) with one, and a look at Gausman...