Every pitch counts in baseball, but the 1-1 pitch counts more than any other - Los Angeles Times
Strike Zones in the Age of COVID-19 - Baseball ProspectusBaseball Prospectus
An analysis of nearly 4 million pitches shows just how many mistakes umpires make
Baseball – Pitching and the Strike Zone
/cdn.vox-cdn.com/uploads/chorus_image/image/17229745/20120510_ter_sh5_098.0.jpg "A simple strike zone formula and calculating plate discipline stats - Beyond the Box Score")
A simple strike zone formula and calculating plate discipline stats - Beyond the Box Score
Balls & Strikes – UmpireBible – The Blog
Do Umpires Dream of Electronic Strikes? | Bleacher Report | Latest News, Videos and Highlights
Ball or Strike? | UMD - YouTube
MLB, umpires agree on deal that would allow for computerized ball-strike system – The Denver Post
The Major League Strike Zone - YouTube
Negotiating the Strike Zone During a Major League Baseball Game | THE INFO MONKEY
For Modern Strikeouts, Pitchers Veer Outside the Strike Zone - The New York Times
Strike zone | Baseball Wiki | Fandom
Why Major League Pitchers Are Avoiding the Strike Zone - WSJ
SportTechie's 2019 Outstanding Innovation: Automated Strike Zones
Strikeout - Wikipedia
The Strike-Zone Revolution - The New York Times
Calling Balls & Strikes - UmpireBible
It's Time for MLB to Start Implementing Objective Strike-Calling
QuesTec's Legacy, 20 Years Later: A Standard, Thinner, Lower Strike Zone
Umpire Jim Reynolds submits contender for worst ball-strike call of 2020 MLB season
MLB Umpires Missed 34,294 Ball-Strike Calls in 2018. Bring on Robo-umps? | Bostonia | BU Alumni Magazine
Umpires Call 7 - Footballs and Strike Zone - Guildford Baseball and Softball Club
Strike or ball? This ump sucks : baseball
