As velocity goes up and up, it might be time for pitchers to knuckle down

The Top 12 Reasons For Velocity Fluctuations (part 2)

It might be time for an MLB knuckleball pitch comeback - Los Angeles Times

A ball is thrown straight up into the air. It reaches height h and then falls back down to the ground. Graph the ball's position, velocity, and acceleration from an instant after

Pitchers and Catchers - The Atlantic

The Fastball and Velocity

Boosting Pitching Velocity in Baseball: At What Expense? - Sports Medicine Review

Astros' Lance McCullers Jr accused of tipping pitches during World Series beat down

Baseball: As velocity goes up and up, time for pitchers to knuckle down

Baseball: As velocity goes up and up, time for pitchers to knuckle down

New Padres pitcher Yu Darvish's secret weapon is having so many of them - The San Diego Union-Tribune

Joel Zumaya's Tommy John: His Pitching Mechanics' Fault? - Driveline Baseball