You can't get mad at TrackMan': A day under the watchful eye of the RoboUmp - The Athletic
Rise of the Robo-Umps
Instant replay for balls and strikes
Why This Vehement “Anti Replay” Fan Supports Robo Ball-Strike Umps - Athletics Nation
Replay in sports: Ranking the systems from best to worst
Robot Umpires, Enhanced Replay Technology Are Dream of Many, But Will They Ever Be Reality?
Under further review: Instant replay and the human element of umpiring
Won't Somebody Think Of The Umpires – Bat Flips and Nerds
Robots May Be Coming to Kill Major League Baseball: They Must Be Stopped, by Andrew Martin, SportsRaid
The advantages of a robot umpire are worth the change for MLB
MLB Can Learn from Independent League's 'Robot Umpire' Experiment, News, Scores, Highlights, Stats, and Rumors
Blown calls and arguments will be missed by baseball
Robot Umpires, Instant Replay, and the Desire for Perfection
MLB Can Learn from Independent League's 'Robot Umpire' Experiment, News, Scores, Highlights, Stats, and Rumors