Robot umpires flip greater than half of challenged calls in ABS debut

NEW YORK — Robot umpires overturned 54 per cent of challenged calls within the first season of the Automated Ball-Strike System, and catchers have been way more profitable than batters.

Learning when to problem is essential.

The Cincinnati Reds had a web achieve of 16.8 runs, in keeping with Baseball Savant calculations of whole run worth of overturns on challenges. The Los Angeles Angels have been subsequent at 14, adopted by the Athletics (12.3) and Minnesota (10.1).

Cleveland was thirtieth at minus-13.4 and several other different playoff groups rated poorly by that metric: the Los Angeles Dodgers (twenty sixth, -8.5), Tampa Bay (twenty fifth, -7.8), the Chicago Cubs (twenty first, -4.6), Milwaukee (twentieth, -2.4), Atlanta (18th, -2.1), San Diego (seventeenth, -1.9), the New York Yankees (sixteenth, -2.1) and Houston (fifteenth, -0.8).

Houston’s Jose Altuve topped batters with 5.6 projected runs gained, adopted by Seattle’s Cal Raleigh (4.6), Colorado’s Kyle Karros (4.5) and Cincinnati’s Sal Stewart (4.4) and JJ Bleday (4.1).

The Cubs’ Seiya Suzuki led with 5.7 runs projected misplaced in defensive challenges, simply forward of the Dodgers’ Shohei Ohtani (5.5), the Cubs’ Ian Happ (5.2) and Michael Busch (5.1), and the New York Mets’ Brett Baty (3.5).

Milwaukee’s William Contreras led catchers with 5.2 projected runs prevented, simply in entrance of Cleveland’s Patrick Bailey (5.1), the Mets’ Francisco Alvarez (4.5) and San Diego’s Freddy Fermin, Kansas City’s Carter Jensen and Drew Romo of the Chicago White Sox (all 4.3).

“It’s like a new muscle for players to learn,” Yankees supervisor Aaron Boone stated. “You have instincts over what to do in certain situations. This is a new instinct of knowing when to challenge and instinctively within a second, oh, that’s a ball. What’s the situation?”

There have been 10,557 challenges, a mean of 4.35 per sport, and 5,686 led to overturned choices.

Catchers succeeded on 59 per cent of their challenges, whereas batters had a 49 per cent success fee and pitchers — who seldom challenged in comparison with catchers and batters — have been at 40 per cent. 

“ABS has really impacted the game,” Houston supervisor Joe Espada stated. “It has really changed how more selective some of these lineups are, how more disciplined they are, how we force pitchers to be more aggressive in the zone more than in the past.” 

Contreras, Realmuto stand out amongst gamers

Contreras led all catchers with 185 challenges, and he additionally received essentially the most with 105 (57 per cent). Meanwhile, Philadelphia’s J.T. Realmuto had the very best success fee amongst catchers with a minimum of 75 challenges at 81 per cent. He was adopted by the Cubs’ Carson Kelly (69 per cent), Cincinnati’s Tyler Stephenson and Colorado’s Hunter Goodman (68 per cent every), and Detroit’s Dillon Dingler (66 per cent).

Realmuto added the primary game-ending ABS problem in post-season historical past this week, efficiently flipping a name to finish Game 2 of the Phillies’ NL wild-card sequence towards Atlanta.

The lowest percentages amongst these with 75 or extra challenges have been Alvarez (47 per cent), Fermin, Romo (48 per cent) and Edgar Quero of the White Sox (49 per cent).

Stewart led batter challenges with 51 appeals and received 28 (55 per cent). Philadelphia’s Bryce Harper was subsequent with 47, profitable 21 (45 per cent).

On success fee, Arizona’s Gabriel Moreno (68 per cent) led batters with 20 or extra challenges, adopted by Miami’s Esteury Ruiz (65 per cent), Raleigh (64 per cent), Minnesota’s Josh Bell and San Francisco’s Bryce Eldridge (62 per cent every).

Boston’s Ceddanne Rafaela and Colorado’s Willi Castro have been at 25 per cent, the bottom success fee amongst gamers with a minimum of 20 challenges.

Tampa Bay’s Yandy Díaz had 686 plate appearances with out trying a problem, by far essentially the most within the majors by a batter, forward of Toronto’s Nathan Lukes (450). Díaz has stated he’d take into account difficult a name within the World Series.

Cincinnati’s 62 per cent success fee led MLB, adopted by the Athletics and Arizona (60 per cent every), the Cubs (59 per cent), Texas (58 per cent), Detroit and Philadelphia (57 per cent every) and Miami (56 per cent).

Pittsburgh was least profitable at 47 per cent, with the White Sox and Cleveland at 49 per cent every, and Baltimore and San Diego at 50 per cent.

“We’ll keep tweaking it, keep talking about it every day and keep trying to remind the players when we have challenges, when we don’t, when’s a good time, when’s not a good time,” Padres supervisor Craig Stammen stated. 

Players have been extra aggressive with ABS challenges in late innings

Knowing groups lose their proper to problem after two incorrect appeals, gamers used ABS much less typically early in video games.

There have been extra challenges within the ninth than some other inning — typically as a result of groups knew there could be no later innings to save lots of them for — despite the fact that many video games finish with out the underside half. ABS was utilized in 1,366 ninth-inning challenges, with a 40 per cent success fee.

“Having one in your pocket is kind of — it’s nice to know you have it,” Phillies interim supervisor Don Mattingly stated.

The common for innings 1-3 was 1,005 challenges with a 61 per cent success fee.

Teams additionally bought extra aggressive because the season went on. Challenges per sport rose from 3.76 in March to 4.60 in August and 4.61 in September, with most of that improve in catcher appeals.

“You can overthink it if you let yourself,” Atlanta supervisor Walt Weiss stated. “You start talking about saving it for certain situations, it probably doesn’t end well. My message was the lower the leverage, the more certainty you have to have.” 

Overturn fee for umpires most frequently behind plate ranged from 42-66 per cent

Andy Fletcher had the very best overturn fee amongst umpires with greater than 100 challenges, getting reversed on 80 of 121 (66.1 per cent), in keeping with taptochallenge.com. Rob Drake was subsequent at 64.6 per cent, adopted by Cory Blaser (64.1 per cent), Adrian Johnson (64 per cent), Manny Gonzalez (62.5 per cent) and Mike Estabrook (61.7 per cent).

Jansen Visconti had the bottom overturn fee amongst these with triple-figure challenges, reversed on 43 of 102 (42.2 per cent). He was simply forward of Mark Ripperger (44.3 per cent), James Jean (44.9 per cent), Ryan Additon (45 per cent), Nestor Ceja (46 per cent) and Alex Tosi (46.9 per cent).

“When it gets overturned by less than a 10th of an inch, they do not like it,” Realmuto stated of umpires. “When it’s that small, they don’t like it. That’s for sure.” 

Video assessment success fee drops

Among video assessment used for different choices corresponding to secure/out calls, the 52.9 per cent success fee was down from 54.8 per cent in 2025 and 53.7 per cent in 2024 and up from 48.5 per cent in 2023.

There have been 1,294 staff challenges, a rise from 1,197 in 2025. Among the challenges this yr, 243 calls have been confirmed (18.8 per cent) and 367 have been allowed to face (28.4 per cent) when there was not clear and convincing proof to overturn them. The common time of a assessment was 1 minute, 25 seconds.

Kansas City was essentially the most profitable membership, overturning calls in 23 of 33 challenges (69.7 per cent). It was adopted by Philadelphia (68.1 per cent), Cleveland (67.4 per cent), Milwaukee (65.9 per cent), Arizona (64.1 per cent), the Mets (62.5 per cent) and St. Louis (61.5 per cent).

San Francisco was the least profitable, profitable solely 14 of 45 for 31.1 per cent. Texas was at 36.6 per cent and Pittsburgh at 38.6 per cent.

After initially beginning video assessment in August 2008 for house run calls, MLB vastly expanded replays for the 2014 season.