ABS, MLB and Spring Training

What is ABS? Explaining MLB spring training challenge system
MLB will be testing an automatic balls and strikes challenge system this spring training. Here's how it works.
MLB's ABS System Draws Early Praise in Spring Training
SCOTTSDALE, Ariz. - Major League Baseball had a successful test run debut of its Automated Ball-Strike (ABS) system Friday at Salt River Fields, the spring training home shared by the Arizona Diamondbacks and Colorado Rockies.
MLB to Use ABS Challenge System in Spring Training; Strike Zone Explained in Photos
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What is ABS? How MLB's ball-strike challenge system will work in spring training
ABS is MLB’s name for an automated strike zone — also known as robot umps. In a full ABS game, there will be a human umpire behind the plate, signaling the calls communicated through ABS. We won’t be seeing that full system in action this spring. Instead, teams will have a limited amount of challenges.
What is ABS? MLB begins spring training test of automated ball-strike challenge system
Starting Thursday at Camelback Ranch, where the Dodgers and Cubs will open Cactus League play, the ABS challenge system will begin being implemented.
How MLB's ABS challenge system works in 2025 spring training, featuring Jahmai Jones
Detroit Tigers player Jahami Jones wins a challenge using the ABS system in spring training against New York Yankees on Feb. 23, 2025, in Tampa, Fla.
Yankees make SHOCKING announcements, MLB tries out the ABS in Spring Training | Baseball Bar-B-Cast
Jake Mintz and Jordan Shusterman discuss the Yankees changing their tune when it comes to beards and their losses, MLB giving the Automated Ball-Strike challenge system a try and thirty things they love so far from Spring Training.
What is MLB's ABS System? know everything about newly experimented spring training challenge system
Each team will have two challenges per game to call into question ball or strike calls. If the challenge is upheld by the replay, the team retains its challenge.
Robot umps are here: What MLB players need to know to navigate ABS this spring
Here is what every big leaguer needs to know about ABS, according to players and managers who have experience with it in the minor leagues.
Mariners still adjusting to ABS challenge system at spring training
Dan Wilson is, so far, intrigued by the idea of the new automatic balls and strikes (ABS) challenge system. His players, so far, are still figuring it out.
MLB testing robot umpires in spring training: How will they work?
Major League Baseball is currently testing a robot umpire system, allowing players to challenge balls and strikes during games.
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A pair of HRs in 1st spring ABs put Smith on top of the world
It didn’t take long for Cam Smith, the Astros’ top-ranked prospect by MLB Pipeline (No. 59 overall in '25), to show his stuff ...
Is MLB's Automated Ball-Strike System revolutionizing the strike zone or imposing on tradition? | Baseball Bar-B-Cast
Spring training is traditionally a time of new beginnings, including this year's introduction of the Automated Ball-Strike (ABS) system in spring games. It's a meld of robotic precision and human ...
Fans loved how MLB's new ABS challenge system exposed the umpire's terrible call in real time
As part of the ABS system being tested in 60% of spring training games, teams are allocated two challenges for balls and ...
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Baseball returns, debut of ABS | Morning Lineup
Training game of 2025 featured the debut of the ABS Challenge System and more. Subscribe to MLB Morning Lineup wherever you ...