 Dallas had also established itself as the most innovative franchise off the field.It was the first to use computers in scouting, the first to have a modern cheerleading squad performing sophisticated choreographed routines, and the first to broadcast games in Spanish.General manager Schramm became the most powerful GM in the NFL; it was he who pushed the league to adopt changes such as relocating the goal posts to the back of the end zone and (after the 1974 season) the use of instant replay.