It was July 4, 2021, and a franchise secret at the time, according to multiple officials familiar with the inner-workings of the Bucks, was that nobody outside of a small braintrust knew whether or not Giannis Antetokounmpo was vaccinated against Covid-19. The Delta variant was beginning to raise fresh hell. And the superstar’s vaccine secret — combined with what a high-ranking official who was just outside the braintrust called “hiccups” from Bucks management — stoked fear among employees across the franchise: That the highly contagious strain might come for them all… but especially for the most dominant athlete in the world.