The Kyler Murray-Arizona Cardinals buzz is bound to grow as the NFL Draft approaches, but we now have our first hint that something might be brewing. While NFL fans have long known of Kliff Kingsbury's affinity for Murray, the Heisman winner's decision to sign with the new Cardinals coach's agent has raised some flags. Kyler Murray has reportedly hired Erik Burkhardt as his agent. Erik also represents Kliff Kingsbury. pic.twitter.com/1kl4tD6Uvt — Matt Miller (@nfldraftscout) February 12,.