Pitch-framing Yankees catchers want no part of robo umps

MLB catchers wary of looming robo umps amid rules changes

What do robo-umps, challenge system mean for catchers? Some coaches are concerned

The Art of Pitch Framing

Yer Outta Here! An Umpire State of Mind Amid the Rise of Robo-Umps - Over the Monster

MLB catchers wary of looming robo umps amid rule changes, Ap

MLB catchers wary of looming robo umps amid rules changes – KIRO 7 News Seattle

MLB robot umpires future: Pitch framing is endangered - Sports Illustrated

Column: Robo umps aren't the answer for incompetence in umpiring - The San Diego Union-Tribune

COOPER: Challenge System Has Best Aspects of ABS Without the Downsides — College Baseball, MLB Draft, Prospects - Baseball America

Pitch Framing – Myth or Magic? – Bat Flips and Nerds

MLB Umpires Missed 34,294 Pitch Calls in 2018. Time for Robo-umps?, BU Today

Robot umpires would destroy the framing skills of catchers like Yadier Molina