FILE - In this Nov. 1, 2020, file photo, specators wear a 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)
The NBA wants to be back in December. The NHL is aiming at games resuming in January. Baseball’s spring training should begin in February. They won’t be in bubbles when and if that happens. But many of the lessons learned from being in some form of a bubble environment — where the NBA, NHL and Major League Baseball all crowned champions after finding ways to finish their seasons in most unusual circumstances — could apply to whatever the new definition of normal is for those sports and others.