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Here are the current SRS Ratings, weighted for the recency of each game, along with each team’s quarter-by-quarter Win Probability Added (WPA) so far this season:

1Chicago Bearschi7.91.08.0-1.415.9-0.4-0.0680.4760.1280.0170.7290.219
2San Francisco 49erssfo-0.2-
3Houston Texanshtx6.9-1.04.2-0.211.1-1.20.0681.419-0.0380.9430.127-0.020
4Green Bay Packersgnb7.
5New York Giantsnyg7.71.62.3-1.610.0-0.10.0680.351-0.0600.2780.0290.834
6Denver Broncosden5.2-
7New England Patriotsnwe7.4-0.4-0.7-0.36.7-0.7-0.0681.2090.737-0.0170.363-1.724
8Seattle Seahawkssea-
9Atlanta Falconsatl2.5-2.53.2-1.25.7-3.60.0000.6320.5250.1990.4041.240
10St Louis Ramsram-
11Minnesota Vikingsmin-0.6-1.33.2-1.32.6-2.60.0680.2110.835-0.3620.0750.673
12Washington Redskinswas5.80.6-
13Dallas Cowboysdal-
14Arizona Cardinalscrd-
15Miami Dolphinsmia-
16Tampa Bay Buccaneerstam-0.6-
17New York Jetsnyj0.
18Baltimore Ravensrav0.2-0.8-1.5-1.1-1.3-1.90.0680.536-0.4520.5870.0570.705
19New Orleans Saintsnor5.6-0.7-7.2-0.4-1.6-1.20.0000.552-0.193-0.476-0.019-0.864
20Detroit Lionsdet4.92.9-6.5-2.4-1.60.5-0.0680.249-0.313-0.833-0.3530.819
21Pittsburgh Steelerspit-2.5-2.60.1-1.3-2.4-3.9-0.1360.700-0.0270.2900.163-0.991
22San Diego Chargerssdg-2.3-3.8-0.4-0.1-2.7-3.90.0000.2020.7530.2140.294-1.463
23Carolina Pantherscar-
24Philadelphia Eaglesphi-6.6-
25Indianapolis Coltsclt-3.20.7-3.1-0.4-
26Cincinnati Bengalscin-0.9-1.2-5.7-2.6-6.7-3.8-0.0680.0090.7620.304-1.197-0.311
27Cleveland Brownscle-5.1-3.0-2.6-0.1-7.7-3.1-0.068-1.153-0.411-0.8000.161-0.229
28Oakland Raidersrai-3.40.6-6.6-1.5-10.0-0.90.000-0.368-0.3900.014-1.5291.272
29Buffalo Billsbuf1.10.0-11.1-1.9-10.0-1.9-0.068-0.3030.313-0.0340.180-0.589
30Tennessee Titansoti-3.0-1.6-8.42.1-11.40.5-0.068-1.194-0.5960.449-0.6671.576
31Jacksonville Jaguarsjax-8.8-0.3-3.31.0-
32Kansas City Chiefskan-8.9-2.6-6.11.0-15.0-1.60.000-0.802-1.0940.049-0.9770.823
  • Neil

    Riffing off of Chase’s NYT post about conference balance a few weeks ago, the bottom 8 teams are all from the AFC, while 4 of the top 5 teams are from the NFC. The average NFC team is +3.8, while the avg AFC team is -3.7 (the difference being due to the weighting of games and teams not all playing the same # of games).

  • Richie

    Wow, the Dolphins are the 4th-best AFC team?

  • Looks like it. Fwiw, PFR’s straight-up SRS (unweighted) also has them 4th, and Sagarin’s “pure points” rating has them 5th in the AFC behind Baltimore.

    But I’m not really sure what’s driving those results, since SRS doesn’t think all that highly of their opponents… It thinks St. Louis is good, and they beat them, but only by 3 at home. It thinks Houston is really good, but Miami lost to them by 20 (albeit on the road). It thinks the Jets and Cards are average, and the Phins lost to both of them by 3, while Cincy and Oakland are bottom-feeders. Somehow that adds up to a slightly-above-average SRS.

    • Chase Stuart

      Miami is getting +8.7 for beating Oakland by 19, +2.8 for beating STL, +1.3 for losing to ARI, +0.3 for beating CIN, and -5.9 and -6.3 for the Houston and Jets games. So the Raiders game is what’s really helping Miami, although that explains why they’re at +0.1 in the SRS.

      Why they’re the 4th best team in the AFC is because the conference is gross.

  • George

    Just taking a casual look at next weeks lines (having done least squares – unweighted for last weeks numbers) there are a few that I’m not getting (in terms of why are these teams getting points as it doesn’t make sense) and I can spot the SRS numbers above would back this up:

    Indianapolis getting +3.5 (least squares has them winning by 2.7, the SRS would have them winning as well)
    Atlanta +2.5 (?!?) – is this the Dome team playing outdoors issue (I expect you could run a regression on this with enough data – e.g. do dome teams under-perform outdoors?). Least squares and SRS both have them winning (by 7ish – biggest mismatch in relation to the line where there isn’t a potential health issue).
    Seattle +3.0 – least squares and SRS both have them winning (but for some reason I don’t feel comfortable about this one)
    Washington +5 – least squares and SRS both have them winning outright and I like this one – as well the AFC isn’t good right now
    Oakland +2 – least squares and SRS both have them winning but this looks like a coin flip with two weak AFC teams.

    Mathematically I would be keen to see how this goes as I just can’t see the logic right now (I might change my views on one or two once I have done the weighted numbers but these just don’t look right). It would be interesting to see if there is an obvious bias or prejudice against these teams.

    • Richie


      What is the Least Squares method?

      • George

        It’s the basic Least Squares method Wayne Winston refers to in his book Mathletics (which has been referred to on here on a couple of occasions). Basically I do that system as I can’t get the SRS to work properly (I got the Massey system Neil referred to in a post a couple of weeks ago working today – haven’t factored in home advantage or capping in it yet and have slightly off numbers at the moment but I have an offense/defense and overall rating). The disadvantage of the Least Squares system is that the easiest way to run it is using Solver in Microsoft Excel but the variable limit within the Solver essentially means you can’t use it for College Football practically (limit of 200 variables).