>>But, if networks follow the FOX policy of skipping the broadcasting of the pregame National Anthem, we shall not see. But, we may hear afterwards.<<
The pre-game ceremonies are being broadcast all over social media.
TV is probably the fewest eyeballs.
Unless they ban camera-equipped cellphones at stadiums, with thousands of cellphones at the stadium you KNOW somebody will post at video of the National Anthem ceremonies on Facebook and Twitter.