The Arizona Cardinals play in their preseason opener and have lost their starting center, A.Q. Shipley, for the season with a torn ACL. Hosts Jess Root and Seth Cox break down what that injury means moving forward. Then they go over the depth chart and how the key position battles are going. They conclude with what to watch for in the preseason opener this weekend when the Cardinals take on the Los Angeles Chargers. It will be the first chance to see QB Josh Rosen in action. Enjoy the best hour of Cardinals talk on the Web!