Answer: touchbacks

AnswerCrossword Clue
touchbacksA ball one downs deliberately behind one's own goal line or that is kicked through one's end zone. It is taken to the 20-yard line to resume play
touchbacksTOUCHBACK, a play in which the ball is dead on or behind a team's own goal line, having been put across the line by an opponent but actually put down by a member of that team