Cave_Johnson
R.I.P. Bob Saget
But they were not the first and by the time it was trademarked it was quite common. Not just in our football, but other sports with 11 players namely soccer.
I get holding onto unique traditions, but a more or less generic term isn't that. There is no doubt at all that their use of it goes farther than others and it has deeper meaning. That alone doesn't make it unique. It just doesn't.
Pretty much this. A&M was using it before Seattle, but they were far from the first to use it.