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Brewers' Nerds Master the ABS Challenge System
6 Mar
Summary
- Brewers devised a teamwide strategy for the Automated Ball-Strike challenge system.
- A green index card system was implemented for coaches to signal challenge opportunities.
- The team aims to optimize ABS challenge usage by their players.
- Catchers are expected to have a higher challenge success rate than hitters.

The Milwaukee Brewers, prioritizing strategic implementation, have developed a formal plan for the Automated Ball-Strike (ABS) challenge system. This initiative involved a dedicated session where R&D staff devised teamwide strategies for optimal challenge scenarios.
To guide their approach, the Brewers introduced a system utilizing green index cards held by coaches, signaling acceptable challenge opportunities. This systematic method aims to move beyond player-driven 'vibes' and establish clear protocols for challenge decisions.
This structured strategy development is ongoing, with the team expecting catchers to demonstrate higher success rates with challenges than hitters. The Brewers plan to continuously refine this system as the season progresses, ensuring players ultimately control its effective deployment.




