Through four weeks of the season, the Arizona Cardinals are the NFL’s only unbeaten team. Much of that success has to do with their top-rated offense. Craig Grialou, Mike Jurecki and Drew Stanton discuss what’s been working, Kyler Murray’s MVP-type season, how Rodney Hudson is leading the strong offensive line group and much more. Plus, a preview of another tough divisional matchup against the San Francisco 49ers coming up on Sunday at State Farm Stadium.