One thing about the National Football League (NFL), they are not afraid to tinker with traditional aspects of their product. Physical portions of the game itself have been an evolution for the league. At some level, NFL fans don’t care as long as their team wins but Cleveland Browns fans tend to notice all the changes and details.
End zones were added. So were hash marks. What once were flags on the goal line and the back of the end zone used as a visual aid became foam pylons.