Answer: Dead ball; foul; despite second time contact of ball/bat by batter-runner, act is considered accidental as batter maintained position within box. Strike is added to count. (BB - Rule 8, Sec. 4, Art. 1(d-2); SB - Rule 7-4-13 (exception))
Question: Batter hits fair ball in front of homeplate; ball backspins and contacts batter-runner on fair ground. Offensive player has one foot entirely out of box while other foot remains in the box. Live/dead ball?
Answer: Dead ball; batter-runner is out for interference. (BB - Rule 8-4-2(k); SB - Rule 8-2-6)