Al Yellon created Bleed Cubbie Blue and has been its managing editor since 2005. His latest book about the Cubs is "Chicago Cubs Firsts." Find him on Bluesky at @bleedcubbieblue.bsky.social
Recently, two articles about MLB’s slow dance with a possible automated ball/strike system, or challenge system, appeared in national media.
Here’s the one from Chelsea Janes at the Washington Post (article unlocked so you can read it).
And here’s the one from Ken Rosenthal and Jayson Stark at The Athletic.
MLB tested a challenge system in Spring Training and it was regarded as a success.