Situation is R2 and R3. RH batter (kinda short). Pitch completed. As batter turns to look at 3B coach, turning motion means left foot in process of leaving the batter's box. Tall catcher, from semi-crouch, tries to pick off R3, by throw over batter. Throw skims top of batter's helmet and sails over F3, allowing both runs to score.
Defense argues interference on batter. Is it?
(Umps apparently didn't know it hit helmet, but assume they did.)
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