Concerns in recent days about an increase in positive test results both in Florida and nationally raised questions about the restart. How would a positive test of an NBA superstar be handled, for example. And how many positives would be too many, possibly causing the entire operation to be scuttled? “If we have a single player test positive, whether an All-Star or a journeyman, that player go into quarantine,” Silver said. Then medical personnel would track others with whom that player had contact.