Lot of assumptions in Peterson's analysis

The Cardinal defense was woeful last year. Simply adding free agents is not always a recipe for quick improvement.

Everyone thinks Kyler Murray is a guaranteed breakout star, but he had an up and down rookie year (expected) and has to prove himself now that coaches have a lot of film on him. He's also fairly small and he runs a lot, so durability will be an issue.

Fitzgerald is a hall of famer for sure, but at this point he's sticky a possession receiver.