Robot umpires' make independent league baseball debut

Robot Umpires in Baseball: A Terrible Idea

We are one step closer to having 'robot umpires' - Bleed Cubbie Blue

MLB's robot umpires may soon change baseball forever - Sports Illustrated

Steal first base? Robot umpires? Gauging reaction to the Atlantic League's experimental rules – The Morning Call

Baseball's 'robot umpires' to debut in the Atlantic League and you may not notice the difference – Hartford Courant

Minor League Baseball To Experiment With Robotic Umpires, NPR

What is a strike in baseball? Robots, rule book and umpires view it differently

Robot umpires' coming to minor league, but still a while away from majors

Robot Ump: Minor League Baseball To Experiment With Rule Changes : NPR

AI Takeover, Part I: Will Some Catchers Be Pushed out of Baseball When the Robot Umpires Arrive?

Robot umpires: Would you want to see automated balls and strikes in the majors?

Robot umpires' debut in independent Atlantic League