Great Pitching Article
https://sabr.org/journal/article/the-effect-of-stride-length-on-pitched-ball-velocity/

Jack Lyndrup - From Leg Braces To Scholarship Catcher

Jack Lyndrup was born premature with underdeveloped lungs that led to frequent hospitalizations and the need for oxygen support in his early years. Jack was born with weakness on the right side of his body from a mild case of Cerebral Palsy that required him to wear specialty leg braces. Jack had a compromised immune system causing him undergo immune therapy. With all of these early struggles, Jack was determined to play sports. His first attempt was soccer but even though he liked it, he struggled keeping up with of all the running. His lungs and his residual right side weakness made it very difficult.

He decided to try baseball because it wouldn’t require as much running. He started playing for Jet Box Baseball in 2012 and after 9 years of hard work, Jack Lyndrup earned a full scholarship as a catcher. There is nothing Jack Lyndrup can not accomplish.