We've heard about players making strides during their second year in the NFL, but what about the coordinators? Craig Grialou, Paul Calvisi and Rob Fredrickson talk about how Cardinals offensive coordinator Drew Petzing and defensive coordinator Nick Rallis can improve in their second year on the job. Plus, discussions on some of the biggest storylines of the offseason including a beefed up defensive line, the arrival of Marvin Harrison Jr. and the excitement surrounding Kyler Murray's upcoming season.See omnystudio.com/listener for privacy information.