MLB computer plate umpires take step forward
MLB might start using computerized plate umpires to call balls and strikes
MLB testing new technology during games to help settle balls vs. strikes conflicts - ABC News
Robo umps reach Triple-A, but MLB rollout still uncertain
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Hoornstra: Baseball's best and worst umpires, by the numbers – Daily News
Point/Counterpoint: Is it Time For Robot Umpires in Baseball? - The Heights
You're going to see the robot umpires sooner than you think - Bleed Cubbie Blue
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MLB Umpires and the Classification of Strike-Three Calls
Cowboy Joe' breaks MLB umpiring mark
Robot umpires' debut in independent Atlantic League
Robot umpires at home plate moving up to Triple-A for 2022
Robot umpires: New baseball innovation points towards society's demise - Sports Illustrated
Pitch clocks, shift limits, larger bases in MLB's future - NBC Sports
MLB playoffs 2021 - How the 268th pitch became the defining moment of ALCS Game 4 - ESPN
Robot umpires at home plate moving up to Triple-A for 2022
