Quoted from Who-Dey:And the players feed off of that crowd noise as well. It would be really weird for them and they maybe wouldnt even play to their potential. Those players really get pumped when there are 60K fans screaming and yelling. It would feel like a scrimmage game with no fans.
Also, home field advantage. Having your home crowd being so loud that it causes the opposing team to burn a time out. I'll probably miss tail-gaiting as much as the actual games if they end up not opening stadiums to fans. Nothing like firing up the grill, cracking some beers, and mixing up bloody mary's at 8am on a crisp fall morning.