regional: Mariners open Spring Training with a win — and a loss in
The Seattle Mariners participated in the first in-game test of MLB's new Automated Ball-Strike (ABS) Challenge System during their Spring Training opener, winning the game but losing their initial challenge. Powered by T-Mobile's 5G network and Hawk-Eye technology, the system allows players to dispute umpire calls, aiming to blend human judgment with technological precision in Major League Baseball.

Mariners open Spring Training with a win — and a loss in first Automated Ball-Strike challenge
The Seattle Mariners kicked off their Spring Training schedule with a mix of triumph and technological tribulation on Friday, securing a 7-4 victory over the San Diego Padres but falling short in their inaugural use of Major League Baseball's new Automated Ball-Strike (ABS) Challenge System.
Key takeaways
- The Seattle Mariners were involved in the first in-game test of MLB's Automated Ball-Strike (ABS) Challenge System.
- Mariners catcher Cal Raleigh initiated the league's first player challenge, which was ultimately unsuccessful.
- The ABS system, powered by T-Mobile and utilizing Hawk-Eye technology, provides immediate, data-driven ball-strike rulings.
- This technology marks a significant step for MLB, balancing traditional human officiating with precise automated review.
What happened
The Mariners' Spring Training opener against the San Diego Padres in Peoria, Arizona, provided the initial live test for the ABS Challenge System. Seven pitches into the game, Mariners catcher Cal Raleigh challenged a ball call made by umpire Nic Lentz. The pitch, thrown by Seattle's Dane Dunning to San Diego's Jackson Merrill, was quickly reviewed by the ABS system. The stadium video board displayed the automated call, confirming the pitch was high and outside the strike zone by 1.7 inches. The challenge was lost, advancing the count to 3-2, much to the audible reaction of the crowd.
Why it matters
The introduction of the Automated Ball-Strike Challenge System into Major League Baseball represents a pivotal moment in the integration of advanced technology into professional sports. This system seeks to modernize the game by offering a layer of objective review for critical ball-strike calls, while notably preserving the role of human umpires. It moves beyond previous video review systems by directly addressing the accuracy of pitch calls, a long-standing point of contention. For T-Mobile, the Bellevue, Wash.-based wireless carrier powering the system, it's an
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