Overview
- Los Angeles owns by far the lowest spring success rates on ABS challenges at 18% for hitters and 27% on defense, with only five overturns in 22 tries and a -9.3 mark in a proficiency metric, as Dave Roberts says the club must improve.
- Teams receive two challenges per game and keep them when correct, with an additional opportunity in extra innings, and only the batter, pitcher or catcher may initiate an immediate head-tap appeal subject to umpire timing and influence rules.
- ABS uses Hawk-Eye/Statcast with a two-dimensional zone 17 inches wide, a top at 53.5% and a bottom at 27% of each hitter’s measured height, and calls a strike if any part of the ball touches the border at the midpoint of the plate.
- Spring training trials feature rapid reviews displayed on scoreboards, strong fan engagement, and reports of a slightly smaller zone with early observations of fewer strikeouts, alongside visible scrutiny of umpires when multiple calls are overturned.
- Clubs are refining catcher-led protocols and conserving challenges for leverage spots, and some analysis suggests San Francisco’s personnel, including Patrick Bailey and disciplined hitters, could gain from the system’s precision.