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MLB Game Lengths Tick Up After Robot Umpires and ABS

League data link part of the modest rise in nine‑inning time to the Automated Ball‑Strike challenge that routes disputed calls to a computer.

Overview

  • MLB reports the average nine‑inning game rose to 2 hours, 42 minutes this season, an increase of 3 minutes, 43 seconds from last year.
  • The league says 61 seconds of the added time came from the Automated Ball‑Strike (ABS) challenge, which lets batters, catchers and pitchers appeal ball‑and‑strike calls to a computer review.
  • Robot umpires were introduced this season and ABS has drawn significant praise for more consistent and accurate ball/strike rulings even as it modestly lengthened games.
  • Prior rule and equipment changes, including the pitch clock and PitchCom, had sharply cut game times from over three hours in 2022 to as low as 2:36 in 2024.
  • MLB will keep pitch‑clock rules for postseason play and the new data underline a key trade‑off for the sport between faster games and better officiating that could shape future rule decisions and fan experience.