Major League Baseball will implement a handful of rule changes at various levels of the minor leagues during the 2026 season. Eric Longenhagen of FanGraphs first reported the slate and those ...
MLB had tested this rule in the Low-A Florida State League and the Arizona Fall League last year. A check-swing challenge system requires an objective cutoff point. The threshold is whether the bat ...
The most notable is the introduction of the check-swing challenge system in the Triple-A Pacific Coast League, beginning in early May. That allows a batter, pitcher, or catcher to challenge an ...