Former MLB Ump shares insights with Protect the Game trainees - Triple Crown Baseball
The Ump Show - BallNine
Doug Glanville: MLB's new rules have turned umpires into parents - The Athletic
The next job at risk of being marginalized by robots: Major League Baseball's umpires
As MLB moves toward using 'robot umpire,' getting strike/ball calls right is the goal
Robot umps take large step forward to MLB as Triple-A adopts them
Analysis Robot umpires would make baseball worse : r/baseball
Robo umps reach Triple-A, but MLB rollout still uncertain
Umpire Angel Hernandez loses again in lawsuit vs MLB when appeals court refuses to reinstate case