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MLB’s ABS Rollout Shrinks Official Player Heights for 2026

The league's new, precise height checks feed player-specific strike zones in the automated challenge system.

Overview

  • Major League Baseball has updated its 2026 rosters to reflect newly verified heights, and many players now appear shorter under the ABS setup.
  • Measurements follow a strict protocol with no shoes or hats, knees exposed, backs against a wall, and a required 10 a.m. to 12 p.m. local window.
  • Notable changes include Giancarlo Stanton from 6'6" to 6'5", Cody Bellinger from 6'4" to 6'3", Paul Goldschmidt from 6'3" to 6'2", and Alex Bregman from 6'0" to 5'10".
  • Reporters say the drops correct inflated listings rather than real shrinkage, and the ABS uses the official height to set each batter’s top and bottom strike-zone edges.
  • Fans flagged the shifts with viral posts on X, and writers compared the cleanup to NFL combine measurements that often trim listed sizes.