NBA, NHL delay games as COVID-19 once again threatens professional sport

The alternative is to have the large taxi squad of second-stringers to bring forward when the starters are unable to play. You can postpone only so many matches before you run out of open days later in the schedule.

This is what happens when the virus keeps spreading

Some college teams have outright cancelled their whole season, like the highly rated Duke women's basketball team

Well Covid will go away in few months, but given the left-right split in the US, soon there would be left and right aligned sports associations and leagues..