Why do they go between the 20 yardline and the end zone on the other end to make the 80 yard field. One wsy to have the 80 yard field(and need a portable pair of goalposts) is what Minnesota did when our reduced player football used an 80 yard field. And that is go between the 10 yard lines and on PAT attempts(And field goals if tried) and move the ball up 10 yards for those attempts