Should fans be concerned with Eagles' defense?

On the latest Eagle Eye podcast, Reuben Frank and Dave Zangaro discuss:(1:05) — Should fans worry about Jonathan Gannon and the Eagles' defense?(14:58) — Derek Barnett out for the season after tearing his ACL Sunday .(17:48) — Takeaways from Michael Clay and the special teams.(26:51) — How did DeVonta Smith wind up without a catch?(35:57) — Early look at the Vikings.