Minor League Baseball to Trial Ball-Strike Challenges

Minor League Baseball will expand trials of a new rule that allows players to challenge balls and strikes using an automated ball-strike system if they think the umpire missed the call.

The current state of Major League Baseball's antitrust exemption

Minor — College Baseball, MLB Draft, Prospects - Baseball America

Ball-Strike Challenges Among Experimental Rule Changes In Minors In 2022 — College Baseball, MLB Draft, Prospects - Baseball America

Cleveland Guardians' Gabriel Arias Struggled At The Plate In Winter Ball

Another solid 2020 Heritage Minor League hobby box - /15 Liover Peguero gold border case hit, /99 Andy Pages blue border parallel and more : r/baseballcards

Bulls Begin ABS Challenge Games

ABS Challenge System at Sahlen Field Bisons

Baseball rules - Wikipedia

ABS system gets rigorous test at Futures Game

Triple-A's Ball/Strike Pitch Location Challenge System Update and a Minor League Ejection in OKC