What to know about the MLB playoff teams and their ABS challenges this season

Major League Baseball's eight remaining postseason teams have largely shown mediocre results using the Automated Ball-Strike (ABS) challenge system in 2026. According to Statcast's net overturn metrics, the remaining contenders all ranked in the middle or lower tier during the regular season, with the Atlanta Braves ranking highest at 10th and the Chicago White Sox placing near the bottom at 29th.

The analysis outlines contrasting team approaches heading into the divisional round. Highlights include Tampa Bay Rays pitcher Freddy Peralta challenging aggressively while designated hitter Yandy Díaz recorded zero challenges, New York Yankees catcher Austin Wells excelling on overturns, and the San Diego Padres and Cleveland Guardians struggling with high-leverage and top-of-the-zone challenge strategies.