A check-swing challenge system requires an objective cutoff point. The threshold is whether the bat head breaks a 45° angle relative to the handle (essentially aligning with the opposite base line).

Baseball's rules are always evolving and, within the last two decades, we've seen some major changes to the game. There was the introduction of instant replay in 2008 (and the expansion of instant ...

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 ...