American Football Rules IFAF Approved Ruling 7-3-9:III

III. Running a pattern near the sideline, end A88 touches the sideline just before a defender jumps into him and bats the ball to the ground. RULING: Not defensive pass interference. A88 became ineligible when he stepped out of bounds. (Rule 7-3-3) [Cited by 7-3-3-d, 7-3-8-c]