Batter Interference

[teebob21]

Contact or an actual throw is not required. The case book has a few good examples.

The line in the case book that is most generically relevant is [the batter] "is entitled to her position in the batter's box unless she moves or re-establishes her position after F2 has received the pitch, which then prevents F2 from attempting to play on a runner. Failing to move so that the catcher can make a throw is not batter interference." (emphasis mine)

In other words: An act which prevents F2 from executing or attempting a play on a base runner is batter INT. The act does not have to be intentional. Of course, if there is no attempt by F2 to actually make a play, then there is no INT.