Average NFL rankings

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Similar idea to what I do with the Premier League/Football League rankings at the end of the season. This is the average ranking for NFL teams during the Super Bowl era (1966-present).

Rankings each year are determined by:

i) Playoff progression

ii) Regular season record

iii) Head-to-head record (if applicable)

iv) Strength of schedule (if two or more teams are tied, the team with the more difficult schedule, determined by combined win-loss record of opponents, gets the higher ranking)

Pos.	Last	2016 rank	Team	Ave.
1	2	3	Pittsburgh Steelers	10.431
2	1	5	Dallas Cowboys	10.451
3	3	13	Denver Broncos	12.039
4	5	1	New England Patriots	12.275
5	4	18	Minnesota Vikings	12.392
6	6	11	Miami Dolphins	12.765
7	9	4	Green Bay Packers	12.784
8	8	17	Baltimore Ravens	13.095
9	7	31	San Francisco 49ers	13.235
10	10	9	Oakland Raiders	13.549
11	11	19	Indianapolis Colts	14.196
12	13	16	Washington Redskins	14.392
13	12	21	Philadelphia Eagles	14.412
14	14	7	Seattle Seahawks	14.659
15	16	6	Kansas City Chiefs	14.961
16	15	28	Los Angeles Rams	15.137
17	17	10	New York Giants	15.275
18	19	15	Tennessee Titans	15.843
19	18	26	San Diego Chargers	15.961
20	20	30	Chicago Bears	16.137
21	21	25	Carolina Panthers	16.409
22	22	27	New York Jets	16.490
23	23	23	Buffalo Bills	17.118
24	26	2	Atlanta Falcons	17.510
25	25	24	Cincinnati Bengals	17.551
26	24	32	Cleveland Browns	17.708
27	27	22	New Orleans Saints	18.060
28	28	12	Detroit Lions	18.216
29	29	20	Arizona Cardinals	18.451
30	31	8	Houston Texans	18.867
31	30	29	Jacksonville Jaguars	19.500
32	32	14	Tampa Bay Buccaneers	19.951

Where teams have relocated, they take the team's record with them, except in the case of the Baltimore Ravens, who are considered a separate team to the original Cleveland Browns. When the new Cleveland Browns team was formed in 1999, they inherited the record of their predecessor team.

The San Diego Chargers will move to Los Angeles for the 2017 season. The Oakland Raiders have applied to move to Las Vegas, though this is subject to approval.