How The Yankees Created a Bullpen Ace

Luke Weaver was an average pitcher. The Yankees turned him into their bullpen ace. How?

In this video, we'll explore the 4 adjustments the Yankees made to develop Weaver into one of the postseason's sharpest relievers. From a pair of orientation adjustments to a simple velocity boost through a mechanical tweak, the Yankees continue to prove they're one of the best at pitching development in MLB.

In this video, we'll talk data, seam-shifted wake and a ton more. All in support of why Luke Weaver should impact the Yankees roster for a potential World Series run and into the 2025 season.

My video on pitch plots and how pitches move can be found here:    • Short Form Pitch Movement & the Finge...  

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Huge Thanks to TruMedia for access to their software for the plots, data, and images within this video: https://www.trumedianetworks.com/base...

Weaver's World can be found in full here:

Video and images: MLB, USA Today, Associated Press, MLB.tv

0:00 The Yankees Bullpen Ace
1:10 Data Perspective: Weaver’s NEW Fastball
2:41 Fastball Orientation Change
3:18 Story Time: “Stupid” Fastball Grips
4:34 Data Perspective: Weaver’s NEW Changeup
5:55 Changeup Orientation Change
6:35 What is Seam-Shifted Wake?
7:31 Weaver’s Approach Change
8:39 Velocity Bump: Lead Leg Block
9:12 The Lost Tapes: Weaver’s World
9:58 Weaver’s Contract & 2025 Role