The Eagles’ fans are beholden to their idols. Anything that we allow to take precedence over God in our lives becomes our idol. Sunday is for football. God deserves no reverence and the state of our culture shows it.
One of the reasons that it took until the 70s for the NFL to become as big as it was, was that they did play their games on Sunday, and many objected to that.
Even baseball at the turn of the century grappled with the issue of playing games on Sunday.