Arizona Cardinals wide receiver Michael Crabtree, who officially signed with the team this past Sunday, admitted that it is going to take some time to understand the concept of head coach Kliff Kingsbury's offense. The 11-year veteran is coming off a 54-reception, 607 yards, and three-touchdown season last year with the Baltimore Ravens. Once Crabtree is comfortable with the offense and gets back into playing shape, he will be placed into a mix that includes Larry Fitzgerald, Christian Kirk, ...