Arizona Cardinals wide receiver Michael Crabtree was listed as a starter in three-receiver sets on the team's official depth chart. The veteran is set to start alongside fellow veteranLarry Fitzgerald and second-year man Christian Kirk. This leaves rookies Keesean Johnson and Andy Isabella in backup roles, with Isabella taking on kickoff-return duties. It will be interesting to see whether or not head coach Kliff Kingsbury will use any four-receiver sets and how often. The big question is how ...