Authentic Extension and the Secrets of the Pelvis

Randy Sullivan2025-01-16T14:12:19-05:00

Let’s take a closer look at the concept of extension [...]

Authentic Extension and the Secrets of the PelvisRandy Sullivan2025-01-16T14:12:19-05:00

Are Weighted Baseballs The Secret To Gaining Velocity?

Randy Sullivan2023-01-25T18:12:44-05:00

During the past several years, weighted ball training has [...]

Are Weighted Baseballs The Secret To Gaining Velocity?Randy Sullivan2023-01-25T18:12:44-05:00

Randy Sullivan2022-12-03T00:16:06-05:00

When I was 13 years old, our family made a [...]

Fixing A CometRandy Sullivan2022-12-03T00:16:06-05:00

Randy Sullivan2022-11-29T19:31:36-05:00

Did you know this? I’m a rocket scientist, and I [...]

Faux Rocket Scientists and LinguistsRandy Sullivan2022-11-29T19:31:36-05:00

Randy Sullivan2022-11-03T19:12:22-04:00

Vince Vannelle was no slouch. An All-American closer at [...]

Vince Vannelle: Undrafted to AA Baseball In Eight MonthsRandy Sullivan2022-11-03T19:12:22-04:00

Randy Sullivan2022-05-25T04:09:58-04:00

*This is an excerpt from the introduction to my book [...]

SAVAGE And The Survivorship Bias: Overthrow The Status QuoRandy Sullivan2022-05-25T04:09:58-04:00

Randy Sullivan2022-05-03T18:36:55-04:00

Contrary to popular belief, overhand throwing is a natural movement. [...]

Top 5 Reasons Pitchers Have Lousy “Mechanics”Randy Sullivan2022-05-03T18:36:55-04:00

Randy Sullivan2022-04-27T17:40:24-04:00

I was getting to the point where I hated the [...]

Level UpRandy Sullivan2022-04-27T17:40:24-04:00

Randy Sullivan2022-04-19T20:30:46-04:00

Which is best, the traditional swing or the kickback swing? [...]

Traditional Swing vs Kickback Swing: Which Is Best?Randy Sullivan2022-04-19T20:30:46-04:00

Randy Sullivan2022-04-14T14:42:05-04:00

By my estimate, about 85% of the calls we [...]

Building Ferraris, Not PintosRandy Sullivan2022-04-14T14:42:05-04:00