The NFL, following NCAA rules, as they did at first, had the goal posts on the goal line in their beginning. They moved them to the end line in 1927 after the NCAA rules moved them back those 10 yards. There were then complaints of too many ties, even 0-0 ones. So the NFL moved them back t the goal line in 1933. Don Hutson used the goal posts to screen out defenders, like we used to use a parked car when running patters playing as kids on the street. By the way the reason the goal posts were on the goal line in the first place is because until 1911, the field was 110 yards long and there were no end zones. There was a rule they should partially bring back.