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Mets Manager Embraces ABS Challenge System in Spring Training
Carlos Mendoza encourages Mets players to aggressively test new automated ball-strike review rules during exhibition games
Feb. 26, 2026 at 8:39am
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New York Mets manager Carlos Mendoza is taking an aggressive approach to preparing his team for the new ABS (Automated Ball-Strike) Challenge System that will be implemented in MLB for the 2026 season. Mendoza wants his players to challenge the system as much as possible during spring training exhibition games, in order to identify which pitchers and hitters are best at navigating the new rules before the regular season begins.
Why it matters
The ABS Challenge System represents a major rule change in MLB that will significantly impact in-game strategy and decision-making. By taking an experimental approach in spring training, the Mets hope to gain a competitive advantage by having their players fully acclimated to the new system when the regular season starts.
The details
Under the new ABS Challenge System, teams will receive two challenges per game that allow them to immediately test pitch accuracy and plate discipline calls. The Mets plan to have their players challenge the system frequently during spring training exhibition games, in order to evaluate which players are best at making successful challenge decisions. Coaches will closely track challenge success rates and communication patterns to establish internal standards before the regular season begins.
- The Mets open their Grapefruit League schedule on Saturday, February 22, 2026 against the Miami Marlins.
- The ABS Challenge System will be formally implemented across MLB for the 2026 regular season.
The players
Carlos Mendoza
The manager of the New York Mets, who is taking an aggressive approach to preparing his team for the new ABS Challenge System.
What they’re saying
“Challenge as much as guys want so they can see who is good at it, then make any necessary rules to rein in the ones who aren't.”
— Carlos Mendoza, Manager
What’s next
The Mets will continue to test the ABS Challenge System throughout spring training, with a focus on identifying which players are best equipped to navigate the new rules. Mendoza and the coaching staff will closely monitor challenge success rates and communication patterns to establish internal standards before the regular season begins.
The takeaway
The Mets' proactive approach to the ABS Challenge System highlights the importance of preparation and adaptation in the face of major rule changes in professional sports. By embracing the new system during spring training, the Mets hope to gain a competitive advantage that will serve them well once the regular season begins.
