The Cincinnati Reds’ clubhouse was filled with celebration following their 10-8 win over the Chicago Cubs on Friday. In contrast, the Cubs struggled to contain Cincinnati’s late-inning momentum, showing frustration during and after the game.
Focus shifted to home plate umpire Bill Miller’s performance, notably during the automated ball-strike (ABS) system challenges. Miller faced eight challenges, losing each one with his initial calls being overturned. The Cubs succeeded in five challenges, while the Reds won three.
Baseball’s Transformation with ABS Challenges
The game saw its first overturned call early when Miller ruled a pitch from Reds pitcher Rhett Lowder a ball. An ABS challenge confirmed the pitch was in the strike zone. Umpire Miller, seen previously officiating between the Atlanta Braves and Washington Nationals, didn’t fare better throughout the rest of the game.
By the final out, eight of Miller’s decisions were overturned. Chicago catcher Carson Kelly and Reds star Jose Trevino were responsible for six of these challenges. The remaining reversals came from Cincinnati’s Sal Stewart and Chicago outfielder Seiya Suzuki, each winning one challenge apiece.
Reds catcher Tyler Stephenson chose not to challenge any calls, even though he leads the league with 88 successful overturns in 124 attempts.
Previous ABS Disputes Involving Umpire Miller
Miller has a history of involvement in ABS disputes. In a recent Reds game, infielder Edwin Arroyo collided with Miller while attempting to field a ground ball, which contributed to the inning continuing.
Cincinnati reliever Caleb Ferguson was caught on camera expressing frustration towards Miller with expletive comments. Ferguson later apologized, acknowledging, “It’s just a very unprofessional thing on my part.”
Reds left fielder TJ Friedl hit a home run in the ninth inning against the Cubs, further sealing the victory.
Performance Data on ABS Challenges
Data from TapToChallenge.com, which monitors ABS performance, indicates that Miller’s 0-for-8 record in the Chicago game is the poorest showing since the system’s introduction in 2026. Currently, Miller ranks ninth with 70 overturned calls.
Leading the league in overturned calls are umpires Hunter Wendelstedt, Dan Iassogna, Malachi Moore, Lance Barrett, and Manny Gonzalez. This data highlights the impact the ABS system has had on the game.

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