All teams in every sport face the inevitable injury to players. Good teams can overcome those injuries and remain competitive. Bad teams fall apart. The last few seasons, the Flyers have had a mixed bag regarding injuries.
In some cases, they are down a solid player or two for a week or more and survive. A few seasons ago, the Flyers had the equivalent of two starting lines out with a large chunk of their defense down. You can't win when the injury bug has savaged your team.
Right now, the Flyers are down a couple of players.