 Kickoffs – If a kickoff leaves the field of play on the fly, the ball comes out to the 25-yard line.The sideline walls and end zone walls are not out of bounds, and balls can be played off of them.If a kickoff leaves the field of play after making contact with the field or a player on either team, the ball comes out to the 5-yard line, or the point in which it leaves the field of play, whichever is closest to the kicking team's goal line.