It almost didn’t happen, but there will indeed be an NFL season this year. It all begins in just a few weeks but already, the season may be off to a rocky start. Seven former players have filed a lawsuit against the NFL, claiming the league fails to properly treat them for concussions and deliberately trying to conceal links between football and brain injuries. It could become the first potential class-action case of its kind. The Takeaway sports contributor Ibrahim Abdul-Matin offers us a primer on the NFL pre-season. He tells us about new scrutiny on the NFL for concussion-related injuries.