Blog Article Forcing Rotation: Exploring Lead-Leg Force Curves and Rotation in Hitters April 29, 2026April 29, 2026 “What do I need to do to become a better hitter?” A common question asked by a lot of developing ...read more 0 Likes | 0 Comments
Blog Article We don’t just care about bat speed at Driveline and Jordan Walker is evidence of that April 24, 2026April 24, 2026 There is no doubt possessing bat speed is a crucial trait for a professional hitter. The math backs the core ...read more 3 Likes | 0 Comments
Blog Article Investigating a mystery pitch as a test case for a new (computer) vision for pitch design April 24, 2026April 24, 2026 Tatsuya Imai’s slider was one of the great baseball mysteries early this season before he went on the IL. A ...read more 1 Like | 0 Comments
Blog Article To swing or not to swing, that is thee question April 3, 2026April 3, 2026 With the tying run on third base in the ninth inning, two outs, and the count full in the World ...read more 4 Likes | 0 Comments
Pitching Mechanics Control Problems on the Mound? It’s Not Always "Mental." June 25, 2014May 17, 2022 How many times have you heard these lines? “It’s a mental issue.” “He has the yips.” “He lost the ability ...read more 3 Likes | 9 Comments
Research Fun with Overlay Video – Sneak Peek at What We're Up To December 30, 2013 We’re buried in work at Driveline Baseball with the off-season in full swing, but here’s a sneak peek to see ...read more 0 Likes | 0 Comments
Pitching Mechanics How to Fix Bad Baseball Throwing Mechanics Efficiently November 15, 2013July 27, 2022 Recently someone asked me a question that I get fairly frequently, essentially asking how to fix bad baseball throwing mechanics. ...read more 0 Likes | 7 Comments
Pitching Mechanics Why We Don’t Teach Equal and Opposite (Or a Firm Front Side) October 14, 2013July 2, 2021 There are a lot of over-simplified cues when it comes to pitching mechanics in the hopes of making the frustrating ...read more 0 Likes | 4 Comments
Pitching Mechanics A Biomechanical Understanding of the Late Launch (Wolforth Tenet) January 22, 2013July 2, 2021 While in Houston for the Ultimate Coaches’ Bootcamp, Ron talked about a “late launch” being important in the pitching delivery. ...read more 0 Likes | 4 Comments
Pitching Mechanics How to Analyze Pitching Mechanics Without a Biomechanics Lab December 26, 2012July 2, 2021 There are a few writers and people out there who criticize me for talking about pitchers’ mechanics without having specific ...read more 1 Like | 2 Comments
Pitching Mechanics Some More NPA Velocity "Holds" vs. Throws – Disconnected Arm Action Problems November 19, 2012April 5, 2021 Following up on last week’s post on the NPA Velocity “holds,” here are some more high-speed shots of throws vs. holds ...read more 0 Likes | 0 Comments
Pitching Mechanics NPA Velocity "Holds" – Their True Origins and Mechanical Problems That Come with Them November 16, 2012April 5, 2021 The National Pitching Association (NPA) has promoted their $435 Velocity Plus throwing program, which gets you this set of equipment: From what ...read more 0 Likes | 7 Comments
Velocity Training Ubaldo Jimenez, Lost Velocity, and the Need for Dedicated Video Review May 4, 2012 My post on Ubaldo Jimenez’s lost 96 MPH fastball went up today over at The Hardball Times. In it, I ...read more 0 Likes | 0 Comments
Pitching Mechanics Joel Zumaya’s Tommy John: His Pitching Mechanics’ Fault? February 27, 2012April 5, 2021 What causes Tommy John surgery? Why did a certain pitcher get hurt–and another did not? The answers are often extremely ...read more 0 Likes | 3 Comments