This year’s NFL season is scheduled to start on September 10, but players are headed to training camps starting this week. The league and its players have been going back and forth for weeks on Covid-19 safety procedures. CNN Chief Medical Correspondent Dr. Sanjay Gupta talks to NFL Chief Medical Officer Dr. Allen Sills about the steps the league will take to protect players, staff and fans.To learn more about how CNN protects listener privacy, visit cnn.com/privacy