I don't think they are tanking , i just believe the Colts are that bad w/o Manning , and dolphins are horrendous to watch. Rams atleast have Bradford though their WR's are always injured.
Miami will win before Indy ...Thats for sure.. All teams have to do is stick with the run against Indy and its a automatic win...
Two of the worst Defenses in the NFL are in the AFC West : Broncos and Chiefs almost giving up 30 pts/gm.