FILE - In this Nov. 1, 2020, file photo, spectators wear face masks to protect against COVID-19 during the first half of an NFL football game between the Baltimore Ravens and the Pittsburgh Steelers, in Baltimore. A new set of rules are coming in just about every sport, almost all with enhanced health and safety in mind. If they work, games could get out of bubbles and return to arenas and stadiums with some fans in attendance sometime soon. Perhaps more importantly, they could also provide some common-sense solutions to virus issues in the real world.(AP Photo/Gail Burton, File)