RulesMLB Umpire Manual
Rule 5.09(a)(12): Under Official Baseball Rule 5.09(a)(12), the batter is out, the ball is dead, and runner(s) return to their original base(s) when an infielder intentionally drops a fair fly ball or line drive with runners on first, first and second, first and third, or bases loaded (with less than two out). Note that the…
