Major League Baseball dropped a long-awaited bombshell on September 23, as the Joint Competition Committee unanimously approved the Automated Ball-Strike (ABS) Challenge System. Starting in 2026, this electrifying upgrade hits every corner: spring training, regular season, and playoff games across all ballparks. Commissioner Rob Manfred radiated optimism, stating, “We used the same process with ABS that started with listening to fans, conducting extensive testing at the minor league level, and trying at every step to make the game better. Throughout this process, we have worked on deploying the system in a way that’s acceptable to players.” Yet, this isn’t a robotic coup. Umpires continue to call pitches, but teams can call out errors. This hybrid keeps the organic feel of baseball while implementing modern technology.
Report: MLB Approves ABS System For 2026 Season
BREAKING: Major League Baseball will use the Automated Ball-Strike Challenge System (ABS) during the entire 2026 season
ABS CHALLENGE RULES:
– Each team will get two challenges and can keep them if they’re successful
– Challenges can only be initiated by a pitcher, catcher, or… pic.twitter.com/xHkRIbHrRx
— MLB (@MLB) September 23, 2025
Minors Pave the Way
ABS kicked off in 2019 with the Atlantic League using full automation. In 2022, the Florida State League introduced the Challenge System, a hybrid approach. By 2023, Triple-A tested both full ABS and challenges, and in 2024, challenges took over. In 2025, minor league trials refined the system, averaging 5.8 challenges per game, with three per game, and 3.9 with two. Triple-A’s 51% challenge overturn rate impressed. Players liked the challenge system’s excitement over full automation, paving the way for MLB to introduce it.
ABS Challenge System Operation and Rules
12 Hawk-Eye cameras, sharp to a fifth of an inch, run on 5G private network from T-Mobile for Business’ Advanced Network Solutions. Teams get two challenges, plus one in extra innings. Only batters, pitchers, or catchers can signal via a hat or helmet tap after the pitch. No dugout scheming allowed. Reviews take about 14 seconds, with umpires announcing as the scoreboard displays the strike zone—17 inches wide, 27% to 53.5% of the batter’s height—judging pitches at the plate’s midpoint.
Players Clash Over Change
A 2024 Athletic poll showed 63.4% of players against ABS, 19.5% in the middle ground, and 17.1% approve. Yankees’ Devin Williams grumbled, “They’ll do what they want.” Giants’ Justin Verlander mourned, “I hate losing that art,” he told Sportico. Conversely, Diamondbacks’ Alek Thomas grinned. “It’s cool for fans and players,” he said. Tigers’ Tarik Skubal shrugged. “If it’s coming, my opinion’s irrelevant.” Reds’ manager Terry Francona banned his team from using the challenges this past spring training, where the system was being tested. Despite the players’ vote, 61% of insiders backed its approval.
Media Ignites the Debate
Pundits buzz with takes regarding ABS. ESPN’s Jeff Passan called it a “game-changer.” He posted on X, “There are typically around 1,000 missed calls a week. The ABS challenge system is going to get plenty of use.” The Athletic’s Ken Rosenthal, with Jayson Stark, flagged flaws. “A half-inch error stirs debate,” Rosenthal wrote. USA Today’s Bob Nightengale raved. “Quick fixes make it a hit.” Opinions swirl across the internet for now, and there won’t be a finite answer to whether the ABS Challenge System works or not until this time next year.
Spring and All-Star Showcase ABS Potential
In 2025 Spring Training, teams used ABS in 60% of games. Teams challenged 2.6% of pitches, averaging 4.1 challenges per game, with 52.2% of those challenges overturning umpire calls. Pitchers and catchers edged out batters, succeeding in 54.4% of challenges compared to hitters’ 50%. Fans embraced the trials. A survey conducted by MLB shows 72% of fans approve and 69% favor ABS over human-only calls. The 2025 All-Star game stole the spotlight when Colorado’s Hunter Goodman challenged a call, nullifying Randy Arozeronas’ at-bat in the ninth inning. This clutch moment highlighted the player’s savvy, saving challenges for high-stakes moments. This success cemented ABS’s appeal, blending tech-driven precision with baseball’s old-fashioned core.
Coming soon to MLB in 2026 pic.twitter.com/IFoOt83z7F
— FOX Sports: MLB (@MLBONFOX) September 23, 2025
Stakes Soar, Strategy Shifts
As the ABS Challenge System gears up for 2026, baseball braces for a seismic shift. Minor League tests showed tighter zones, fewer walks, and more strikes, tilting the game toward pitchers while diminishing catchers’ framing wizardry. Yet, the challenge system’s high-stakes drama—where teams must pick pivotal moments to contest calls—adds a thrilling layer of strategy. Manfred countered skeptics, stating, “No system’s perfect, but it beats today’s.” With live graphics set to captivate fans and ABS poised to correct an estimated 10.9% of missed calls, the game’s heart merges with tech’s precision.
Main Photo Credits: Matt Blewett-Imagn Images
