Sunday, September 8, 2013

Week 2 Rankings


Hey football fans! Week 2 is in the books and we’re already seeing some big wins and upsets that will shape the season.
                     
Here are a couple of major results from week 2, in case you missed them: 
  • @ Georgia over South Carolina: 41 – 30
  • @Michigan over Notre Dame: 41 – 30
  • @Miami over Florida: 21 – 16
  • @BYU over Texas: 40 - 21
Georgia may have saved their season with a big win over South Carolina and Michigan established themselves as the team to beat in the Big 10 with a big win over Notre Dame. Meanwhile, Miami and BYU pulled big upsets over the weekend, resulting in major disappointment in Gainesville and Austin.

Here are the updated top 10 after week 2:


Rank

Team

Rating

Record

SOS1

SOS2

E(FR)

P(WARG)
1
Oregon
33.2
2-0
5.7
0.121
11.3 – 0.7
0.413
2
Alabama
29.4
1-0
3.1
0.126
11.0 – 1.0
0.254
3
Florida State
26.1
1-0
-1.0
0.263
11.1 – 0.9
0.274
4
Georgia
23.1
1-1
8.9
0.054
8.9 – 3.1
0.031
5
LSU
23.0
2-0
7.0
0.030
9.3 – 2.7
0.011
6
Baylor
21.0
2-0
2.2
0.184
9.9 – 2.1
0.073
7
Michigan
20.9
2-0
2.5
0.267
10.4 – 1.6
0.091
8
Stanford
20.6
1-0
8.0
0.079
9.1 – 2.9
0.010
9
Clemson
20.1
2-0
3.8
0.134
10.0 – 2.0
0.048
10
Washington
19.7
1-0
7.1
0.050
8.8 – 3.2
0.004

The top 5 were pretty stable from last week with only Texas taking a major tumble after their upset loss to BYU. In contrast, there was a lot of movement from 6 – 10 but that should settle down over the next couple of weeks.

Here are the top 10 teams with the best chance of finishing undefeated:


P(WARG) Rank

Rank

Team

P(WARG)
1
16
Louisville
0.438
2
1
Oregon
0.413
3
3
Florida State
0.274
4
2
Alabama
0.254
5
42
Fresno State
0.119
6
7
Michigan
0.091
7
6
Baylor
0.073
8
13
Oklahoma State
0.054
9
9
Clemson
0.048
10
70
Northern Illinois
0.043

There are now three, distinct tiers in rankings by probability of finishing undefeated. Louisville and Oregon have greater than a 40% chance of finishing undefeated, Alabama and Florida State have about a 25% chance of finishing undefeated and we observe a steady decline in probability of finishing undefeated from #5 to #10. These probabilities are probably a little high due to early season volatility but I think the ordering provides a useful measure of the relative chance of finishing undefeated among the top teams.

There are several interesting games on the schedule this weekend, with the big rematch in College Station taking the headlines. Here’s a little more info on that game, plus a few more worth watching:
  • #2 (in my rankings) Alabama @ #15 Texas A&M, Alabama favored by 7.4, 71% chance of winning
  • #22 Tennessee @  #1 Oregon, Oregon favored by 21.3, 95% chance of winning
  • #21 UCLA @ #36 Nebraska, UCLA favored by 1.7, 55% chance of winning
  • #14 Wisconsin @ #17 Arizona State, Arizona State favored by 2.0, 56% chance of winning 
As always, full rankings can be found at my faculty webpage:


Enjoy the week 3!

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