Paul Calvisi making an analogy to free agency with his sprinkler system? Ok, then. With the NFL’s transaction apex already in high gear even as signings can’t be official with new teams until Wednesday, Calvisi, Darren Urban and Dani Sureck discuss the Cardinals bringing back Zach Ertz and James Conner and what that means for the offense, Tom Brady’s return to the NFL, Chandler Jones’ comments about being maximized and what the Cardinals might do at edge rusher, the need at No. 2 wide receiver, what Christian Kirk’s potential departure would mean, beefing up at cornerback and working with the end of Kyler Murray’s rookie contract.