Abbotsford's pink-haired pitching phenom throws 83 mph fastball – Victoria News
Aroldis Chapman - Wikipedia
Aroldis Chapman - Wikipedia
The Major League Baseball wild-card game will showcase how average fastball speeds are on the rise — Quartz
Velocity is strangling baseball — and its grip keeps tightening – The Denver Post
Dangerous trend in baseball: As pitching speeds increase, so do injuries to pitchers | Sports | postandcourier.com
How Fast Is a Fastball? | Wonderopolis
Let's Break Down the Physics of a Wickedly Curving Baseball | WIRED
22 Ways To Increase Youth Pitching Velocity
Aroldis Chapman's 105mph fastball shows speed isn't everything in sports | MLB | The Guardian
Physics can explain the fastball's unexpected twist, new study finds | Ars Technica
Fastball - Wikipedia
Velocity is strangling baseball — and its grip keeps tightening - The Washington Post
Effective Velocity - How it makes an average fastball WAY more effective - Pro Baseball Insider
Aroldis Chapman and the 15 Fastest Pitches Ever Recorded | Bleacher Report | Latest News, Videos and Highlights
Identifying Pitch Types: A Fan's Guide
The Harm of Being a Pitcher | SiOWfa15: Science in Our World: Certainty and Controversy
Throwing Too Hard Is Killing Baseball's Best Pitchers - WSJ
Regular Season Pitching Rules - Little League
Velocity School: Where Pitchers Pay to Throw Harder - The New York Times
Pitching Machine Speeds Explained
