13.  Arizona Cardinals (Last week: 17)
Bruce Arians has constructed a dynamic offense, although 18 points doesn’t do the unit justice. And so much for that depleted defense; Kevin Minter and Larry Foote looked stellar filling in for Karlos Dansby and Daryl Washington.
What to know:Â The league’s top run defense in 2013 — without its top two linebackers — held the Chargers to 52 rushing yards.
