It was originally created by Drew Sheppard to demonstrate the constant release point of Texas Rangers starting pitcher Yu Darvish despite the different speeds and locations of the pitches from that release point.
Shep Pettibone | Shep Fields | Venn diagram | Phase diagram | Function block diagram | Euler diagram | Coxeter–Dynkin diagram | Warnier/Orr diagram | Voronoi diagram | Shep Messing | Satake diagram | R. L. Shep | Ribbon diagram of Sucrose Synthase-1 3S27 Structure, isolated from ''Arabidopsis thaliana | Lexis diagram | ''K''5 is the Hasse diagram | Hertzsprung–Russell diagram | Grotrian diagram | Function Block Diagram | Diagram of ''Trigonia costata'' James Parkinson | Control flow diagram | Campbell Diagram | Campbell diagram | Andy Diagram |