‘The Bills were able to bring back those four players in part due to the new isolation time for players with COVID-19 agreed to by the NFL and NFL Players Association on Tuesday. Isolation time has now been set at five days for all players — vaccinated or unvaccinated — who test positive for COVID-19, so long as the player is asymptomatic or can demonstrate that his symptoms are resolving. This is in accordance with guidance from the Centers for Disease Control and Prevention.’