American Football Rules IFAF Approved Ruling 6-3-4:III

III. During a scrimmage kick, the untouched ball is at rest on the Team B three-yard line when B22 blocks A80 into the ball, forcing it into the end zone where it touches the ground. RULING:
The ball is dead when it touches the ground in the end zone. Touchback — Ignore touching by A80 (Rule 2-11-4). By rule, neither team has touched the kicked ball (Rule 8-6-1-b). [Cited by 6-3-4-a, 8-6-1-b, 8-7-2-a]