Automated strike zone could be a matter of when — not if – Longmont Times-Call
As automated strike zones are tested in minor leagues, Pirates catchers see uncertain future
Are robot umpires ready for their MLB debut? Not so fast. - The Athletic
MLB tests robot umpire system, National Sports
Major League Baseball tests robot umpires Arizona Fall League
MLB Fans Threaten to Boycott Over 'Robot Umpires'—'Will Ruin the Game
Alex Freedman] Today is the day the Automated Ball-Strike (ABS) system officially gets implemented across the PCL, including right here in OKC. Below is the reference sheet MLB has provided. We salute
How can the MLB fix the poor ball and strike calls by home plate umpires? - Quora
Is it Finally Time for the MLB to Use Robot Umpires?, by Ishan R, The Press Box
Robot umpires' coming to minor league, but still a while away from majors
RedsXtra: The automated strike zone, tested in the minor leagues, still has some flaws
Baseball column: Rules, rules and more rules coming MLB's way, Sports
Futures Game a perfect showcase for ball-strike challenge system
Robo umps? Not so fast. Here's what MLB's technology upgrade means - ESPN