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MLB's Automated Ball-Strike System Sees 60% Catcher Success

4/7/2026

49 10 Full Breakdown

Summary

Story summary

In MLB's first week with the Automated Ball-Strike System, catchers won 60.4% of challenges.
The overall success rate was 55.2%, with the Detroit Tigers achieving the highest call success at 75% and fastball velocity reaching a record 94.6 mph.
Batters posted a 49.8% success rate, with the batting average falling to .234.
Players adapt to the system.
Yankees manager Aaron Boone said the team reviews challenges daily to improve performance.

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Story summary

In MLB's first week with the Automated Ball-Strike System, catchers won 60.4% of challenges.
The overall success rate was 55.2%, with the Detroit Tigers achieving the highest call success at 75% and fastball velocity reaching a record 94.6 mph.
Batters posted a 49.8% success rate, with the batting average falling to .234.
Players adapt to the system.
Yankees manager Aaron Boone said the team reviews challenges daily to improve performance.