What is the effect of batter interference while the ball is still alive?

When batter interference occurs while the ball is still in play, the appropriate ruling is that both players involved can be declared out. This situation typically arises when the batter obstructs the catcher or another fielder's ability to make a play on a batted ball. The interference causes confusion and can impact the play significantly, hence both the batter and the fielder can be at fault depending on the specific circumstances of the interference.

The ruling acknowledges both players' actions in the context of the interference, which is why both can face penalties under the rules of the game. This approach helps maintain fairness and upholds the integrity of the play. In situations where batter interference is recognized, the umpire's decision reflects the principle that both offensive and defensive players are accountable for their actions on the field.