Sunday, September 22, 2019

Weekly Playoff Probabilities - Week 4

As always, explanation here, ranking below, thoughts after.

Rank Team Agg Rank CFP Prob Change
1  Clemson 3 76.44% 1.5%
2  Ohio State 2 65.79% 15.2%
3  Alabama 1 48.42% -11.5%
4  Oklahoma 6 38.42% -0.9%
5  Georgia 4 36.07% 7.1%
6  LSU 5 29.16% -2.2%
7  Wisconsin 7 27.10% 3.9%
8  Penn State 11 17.42% 3.6%
9  Auburn 8 16.59% 5.8%
10  Oregon 10 11.70% -0.1%
11  Notre Dame 9 10.11% -16.6%
12  Florida 12 7.92% 0.4%
13  Washington 13 5.31% 2.8%
14  Wake Forest 40 2.35% 1.2%
15  Iowa 22 1.36% 0.0%
16  Texas 17 0.94% 0.3%
17  Kansas State 25 0.78% 0.1%
18  Virginia 34 0.69% -0.9%
19  Utah 24 0.63% -2.5%
20  California 41 0.51% 0.4%
21  Oklahoma State 21 0.35% -2.0%
22  Michigan State 16 0.31% -0.1%
23  Boise State 31 0.29% 0.0%
24  Mississippi State 18 0.28% 0.1%
25  Michigan 20 0.27% -2.2%
26  USC 26 0.16% 0.1%
27  Minnesota 48 0.12% -0.1%
28  Maryland 27 0.10% 0.0%
29  Iowa State 23 0.07% 0.1%
30  Washington State 28 0.07% -1.5%
31  Baylor 30 0.06% -0.3%
32  Pitt 45 0.04% 0.0%
33  Arizona State 39 0.03% -0.6%
34  SMU 44 0.02% 0.0%
35  Memphis 37 0.02% 0.0%
36  Syracuse 60 0.01% 0.0%
37  Texas A&M 14 0.01% -0.2%
38  Appalachian State 54 0.01% 0.0%
39  Miami (FL) 29 0.01% 0.0%
40  Indiana 47 0.01% 0.0%
41  North Carolina State 58 0.01% 0.0%
42  Duke 49 0.01% 0.0%
43  Nebraska 38 0.01% 0.0%
44  TCU 32 0.01% -0.4%
45  Kentucky 35 0.01% -0.1%
46  Florida State 43 0.00% 0.0%
47  Virginia Tech 63 0.00% 0.0%
48  Arizona 46 0.00% 0.0%
49  West Virginia 65 0.00% 0.0%
50  Texas Tech 42 0.00% 0.0%
51  UAB 99 0.00% 0.0%
52  Boston College 80 0.00% 0.0%
53  Colorado 56 0.00% 0.0%
54  North Carolina 51 0.00% 0.0%
55  Louisville 66 0.00% 0.0%
56  Ole Miss 59 0.00% 0.0%
57  Northwestern 74 0.00% 0.0%
58  Illinois 88 0.00% 0.0%
59  Arkansas 90 0.00% 0.0%
60  Rutgers 105 0.00% 0.0%
61  Kansas 93 0.00% 0.0%
62  Purdue 77 0.00% 0.0%
63  Georgia Tech 94 0.00% 0.0%
64  Oregon State 79 0.00% 0.0%
65  Navy 73 0.00% 0.0%

1.  Nothing much to report this week, as the top 13 teams in the ratings are the 13 teams that comprise almost the entirety of the Playoff odds.  Ohio State leaps to second as they continue to completely dominate their admittedly weak competition.  Notre Dame falls with their loss, but still has a path to the Playoff (~30% chance of winning out).

What I do want to talk about is something else.  Every week before I run my simulation of 10,000 seasons I run a single season test to double check that I haven't made any major mistakes.  This week's test was....interesting, to say the least.  Here's what was left at the end of that hypothetical season:
  • 12-1 Big Ten champ Ohio State, with a loss to Penn State the week before Thanksgiving
  • 12-1 SEC champ LSU (!), with a loss to Florida in a couple weeks
  • 12-1 ACC champ Clemson, with a loss to North Carolina (!!) next week
  • 12-1 Pac 12 champ Oregon, with the last-minute loss to Auburn
  • 12-1 Big 12 runner-up Oklahoma, with a loss to revenge-minded Texas in the title game
  • 12-1 SEC runner-up Georgia
  • 11-1 Notre Dame
  • And for good measure, there's a 10-2 Alabama lurking as well as 13-0 Boise and App State
I've talked a few times about how there's been minimal drama for the committee through the first five seasons of the Playoff era, largely because there's been literally no championship week drama the entire time.  This scenario would be just that and it would lead to an all-time logjam at the top.  It's reasonably clear that LSU and Ohio State would be selected in this scenario because of superior schedules, but beyond that, who knows.  Georgia would have the best SOS of the remaining teams and would probably make it, but then one of the Clemson/Oregon duo would get bumped even though they won their conference.  And Oklahoma would still have a pretty good argument as well, as they would have beaten every team on their schedule.  Even 13-0 Boise would likely be in the mix, as their SOS in this scenario might actually be better than a couple of the power conference teams.  It looks like we're headed towards another top-heavy year in college football, so the least we can root for is some chaos at least approaching this in magnitude.

2.  We are left with exactly half of the teams after four weeks as South Carolina, Stanford, Vanderbilt, Tennessee, Central Florida, Air Force, San Diego State, Temple, and Wyoming were all eliminated this week.  UCF had a sliver of a shot at the Playoff, but they got Pitted.  Happens to the best of us.

3.  Not a lot of dramatic swings in the conference races this week, save for the Pac-12 South which was flipped on its side with USC's mild upset of Utah.  Texas takes a modest lead for the second slot in the Big 12 title game with their win over the Cowboys.  SMU and Utah State continue to creep up slowly in their respective divisions.  And the SEC East is almost certainly going to come down to the winner of the Cocktail Party.

Conference Favorite Perc   Runner-Up Perc
ACCA Clemson 97.8%   Wake Forest 1.2%
ACCC Virginia 49.3%   Miami (FL) 23.1%
AMEE Central Florida 85.4%   Cincinnati 11.8%
AMEW Memphis 39.2%   SMU 29.6%
B10E Ohio State 78.3%   Penn State 14.3%
B10W Wisconsin 83.0%   Iowa 12.3%
B12 Oklahoma 87.1%   Texas 47.9%
CUSAE Marshall 55.4%   Florida Atlantic 30.5%
CUSAW North Texas 48.2%   Southern Miss 30.0%
MACE Ohio 53.7%   Buffalo 17.7%
MACW Toledo 50.0%   Western Michigan 36.1%
MWCW Fresno State 40.0%   San Diego State 35.6%
MWCM Boise State 55.9%   Utah State 38.2%
P12N Oregon 72.5%   Washington 21.6%
P12S USC 54.7%   Utah 23.7%
SECE Georgia 78.3%   Florida 21.0%
SECW Alabama 69.8%   LSU 18.4%
SUNE Appalachian State 71.1%   Troy 18.8%
SUNW Louisiana-Lafayette 68.2%   Arkansas State 28.0%


Week 5 Preview

Home Away Home Win Prob Playoff Teams Lost
Nebraska Ohio State 8.0% 0.022
Notre Dame Virginia 87.2% 0.018
North Carolina Clemson 5.8% 0.017
Maryland Penn State 30.0% 0.014
Oklahoma Texas Tech 92.3% 0.010
Auburn Mississippi State 75.2% 0.009
Utah Washington State 60.2% 0.007
Alabama Ole Miss 98.1% 0.005
Wisconsin Northwestern 96.2% 0.005
Oklahoma State Kansas State 61.1% 0.004

At first, it may seem weird that Gameday is going to Nebraska this week for what is likely to be a blowout, but 1) it's actually the "best" game of the week, and 2) they haven't been to Lincoln in forever so it only makes sense they'd jump on the chance to do so.  In other action, the extremely lopsided Penn State-Maryland rivalry should actually be interesting this year, and it's got a prime slot on Friday night.  Just outside the top ten games is USC-Washington, which is suddenly an important game for both sides of the Pac-12 title game race.  It's not a great weekend overall, but it'll do.

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