Saturday, January 18, 2025

College Football Playoff Final Breakdown

                             


 


College Football Playoff Final Breakdown. We decided to give you a behind the scenes look into how we come up with our predictions and ratings for the college football playoff final. Below is an entire breakdown of almost all of the information that plays a part in our evaluations (Note: Sagarin, ESPN FPI and the Vegas and W/L columns are there just for comparison. They are not factored into the Aggregates equation.)

The Aggregate is giving Notre Dame a higher chance than most current analytics sites are right now. Out of all the predictions sites listed here the Aggregate is the most accurate when it comes to predicting games when a team has a 50%-59.9% chance to win, getting it right 60.8% of the time. In this case our prediction is the same as ESPN's FPI, Vegas and Sagarin all of whom are predicting Ohio State.


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A new feature that we added just this season was the injury impact. This category normally includes coaching changes and opt outs. Adding this category has helped us improve our bowl game accuracy. In the case of the final it has definitely made an impact. Before Notre Dame offensive lineman, Anthonie Knapp, was ruled out the Aggregate Median predictor actually favored Notre Dame, but now favors Ohio State. Typically an offensive lineman wouldn't have that much impact, but with the teams being so closely matched it pushed the favorite to Ohio State.

To help us understand how close this game is we can take a look at the teams standard deviation ranges. These ranges are determined by taking each teams assessed value from each game they played and figuring the standard deviation from those marks. When looking at the ranges Notre Dame has a higher top end to the range at 68.5 compared to Ohio State's 65.1. However, Ohio State seems more consistent with their low end of the standard deviation range being a 40.1 compared to Notre Dame's 36.5. 


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TeamOhio StateNotre Dame
Records13-214-1
SOS2014
Opponent Average Strength30.631.1
Opponent Average Rank47.444.0
Best Win42-17W vs. (7) Tenn66-7W @ (78) Purdue
Worst Loss10-13L vs. (30) Michigan14-16L vs. (109) NIU
Aggregate Mean Rating52.652.5
Mean Standard Deviation Range40.1-65.136.5-68.5
Average Injury Impact1.3%3.3%
Median Chance to Win50.4%49.6%
Mean C2W51.9%48.1%
Sagarin57.0%43.0%
ESPN's FPI55.3%44.7%
Vegas Favoritex
W/L Favoirtex
PPG35.837.0
OPG12.214.3
PPG in Wins38.542.2
OPG in Wins8.613.4
PPG in Losses20.514.0
OPG in Losses22.516.0
Mean Score Projection3029
Standard Deviation SP3014
Vegas Opening LIne-9.59.5
Vegas Opening O/U46.546.5

Friday, January 10, 2025

End of Year ACC Rankings

                               


 

Since the college football playoff is ending it's time for out annual end of the year rankings for each conference. The ACC didn't rank as highly as we thought in the early season, but still finished with two teams in the college football playoff. As it turned the data showed that it should actually have been two other ACC teams in. The data also showed that two ACC teams that finished with stellar records were really just middle of the pack and one team that finished meh was actually one of the leagues better teams. The last thing we really noted in the ACC was the precipitous fall of Florida State.

It should be noted that each ranking is based on each teams body of work. Head to heads are not given an extra priority here. This means that even if a team beat another head to head they may still be ranked lower than the team they beat based on body of work. The best example from this year of this is Ohio State. The Buckeyes lost to Oregon earlier in the year, but in our evaluation we continued to believe Ohio State was really the better team. This played out in the playoffs.


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Clemson and SMU made the college football playoff, but the data tells us that Miami (FL) and Louisville were actually the better teams. Clemson averaged 11 points more than opponents this season against the 37th hardest schedule. They had two victories against top 25 opponents. SMU averaged 14 points more than opponents albeit against the 57th hardest SOS. They had just one victory against a Top 25 team. 

Conversely Louisville averaged 12 more points per game than opponents so more than Clemson but fewer than SMU. Their SOS was 36th which was better than both of the teams that finished above them. They also had two top 25 wins. Miami beat opponents almost by an average of 19 points, better than other teams in the ACC. Their SOS was not great though at 56. The 'Canes also had two victories over top 25 teams this season.  


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Neither Miami nor Louisville could have competed for a national title most likely, but the data shows that they were at least slightly better than the two teams who represented the ACC.  

The data also pointed out to us a few teams who's record might not have truly represented their strength. Syracuse and Duke despite finishing 10-3 and 9-4 respectively are only ranked 8th and 9th in the conference in our power ranking whereas Virginia Tech, who finished 6-7, rates 5th.


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Despite getting to 10 wins Syracuse's point differential was just 4.2 and their overall strength of schedule was just 63rd. That's the third easiest schedule in the ACC. The Orange did have some big wins, four top 25 wins according to the Aggregate's data, but they also seemed to play down to bad competition. Against three teams ranked 75th, 76th and 77th they went 2-1, but with an average point differential of 4 points. All three games were one possession. Often times when we see this type of data the team does not have nearly as good of record the next year, see Washington or Oklahoma State.

The other team that caught our attention this way was the Duke Blue Devils. Duke finished the season 9-4 in Manny Diaz's first year, but the data tells us they weren't quite as good as that record shows. Duke basically won every game it should have and lost every game it shouldn't. The lone exception on Duke's season was their victory over Virginia Tech. A team at that time that the Aggregate had rated as the 21st best team in the country. In Duke's four losses they lost by an average of 16 points to teams on average ranked 13th. In their 9 wins they won by an average of 9 points to teams ranked on average 82nd. So they won the games they should have, but what the data tells us is that if Duke had played a tougher schedule, such as some of their ACC brethren, their record would not have been near as good.


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Virginia Tech was the opposite of those preceding teams. We know that Hokies fans were not happy with this seasons results, but the data portends that things are going to be better even if Brent Pry hadn't made coaching changes. The Hokies data tells us that they were actually a pretty good team. They finished 26th nationally. Despite finishing 6-7 the Hokies still had a +6 point differential per game. In games they won they averaged winning by almost 20 points. In games they lost they averaged losing by less than 5. They lost twice in overtime. They only lost by two possessions twice and that was to the 11th ranked team and the 26th ranked team at those times.

The biggest disappointment in the ACC and honestly the country was Florida State. The Seminoles started the season ranked 8th in the Aggregate and they clearly had national championship aspirations, but State's season quickly devolved into "quicksand" as Shane Falco would have called it. The 'Noles finished the season 2-10 and dropped 81 spots in the Aggregate rankings. They lost by an average of almost 13 points against the 41st SOS. All of this combined does not bode well for Florida State's next season.   


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ACC Rankings
RankTeamRecordConferenceRatingNational RankPre Season
1Miami (FL)10-36-243.41113
2Louisville9-45-339.41226
3Clemson10-47-138.11411
4Southern Methodist11-38-037.41914
5Virginia Tech6-74-434.52622
6Georgia Tech7-65-333.32942
7Boston College7-64-430.73945
8Syracuse10-35-327.64924
9Duke9-45-327.45054
10Pittsburgh7-63-527.25267
11Virginia5-73-524.36071
12North Carolina State6-73-522.46332
13North Carolina6-73-521.96539
14Wake Forest4-82-618.08078
15Stanford3-92-617.68391
16Florida State2-101-714.9898

Wednesday, January 8, 2025

Betting Guide CFP Semi-finals


Betting Guide breakdown for the College football playoff semi's. If you're looking for our semi-finals predictions find them here: https://aggregaterankings.blogspot.com/2025/01/college-football-playoff-semi-final.html


Our Bets

Moneyline

Notre Dame -118

Texas +185

The Aggregate likes both of the favorites in the matchups Thursday and Friday, but does that make them a good bet? The Aggregate's betting philosophy is simple we want to make more money than we lose. To figure that out. We compare how often we lose at a certain prediction percentage to how much we stand to gain. For the Notre Dame vs. Penn State matchup we need to look at a couple things.

Notre Dame13-13670.8%-1.5-118
Penn State13-22929.2%+1.546.5-102


In this game the Aggregate has Notre Dame as a 70.8% favorite. When the Aggregate has predicted a team has at least a 70.0%-79.9% chance this year that team has won 71.4% of the time. So it losses 28.6% of the time. So let's say we made this bet 100 times for $1 each time. we would lose most likely $29 dollars. To make a profit we need however much we profit to be more than $29. We will use $30 for this example. So for 71 winning bets we need to win at least $30 to make a profit. So to achieve a profit we need for each bet to win at least $0.43 to turn a profit. For a $1 bet we would need odds of at least -235 or lower. Since Notre Dame is just -118 then they are a great bet in our opinion on the money line. 

Ohio State12-23454.2%-6.5-218
Texas13-23345.8%+6.554.5+180

The best bet for the second game this week is to bet on Texas at +180. Teams who the Aggregate has predicted with a 40.0%-49.9% chance has won at a 39.4% rate this season. This means on a $1 bet we need to win at least $1.59 to turn a profit. +180 would give us a profit of $1.80. 


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Parlay

Notre Dame -118

Ohio State-225

+146 

Notre Dame13-13670.8%-1.5-122
Penn State13-22929.2%+1.546.5+102
Ohio State12-23454.2%-6.5-218
Texas13-23345.8%+6.554.5+180

As we discussed above Notre Dame's likeliness to win is 71.4%. Ohio State's is also higher than the projected chance to win by the Aggregate. When the Aggregate is projecting a team to have a 50.0%-59.9% chance to win they actually win at a 60.1% rate. So to get our chances for both teams to win we multiply those probabilities together. That gives us a 42.9% chance for the parlay to hit. That means we need to overcome the losses of 57.1% of bets. That means we need at least +139 to make a profit. Obviously a line of +146 is better than that mark which makes it a good bet. 


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Against the Spread

Notre Dame -1.5

Texas +6.5

Notre Dame13-13670.8%-1.5-122
Penn State13-22929.2%+1.546.5+102
Ohio State12-23454.2%-6.5-218
Texas13-23345.8%+6.554.5+180

The Aggregate has hit at a 53.1% rate this season at predicting against the spread. At that rate we would make a profit and so are smart bet here is on Notre Dame -1.5. The data tells us that the Fighting Irish should actually be favored by about 7. It's also at a little bit of a discount as the ATS bet right now is just -108 to make that bet at least on Draft Kings. 

Texas +6.5 is the second against the spread bet we're making here at the Aggregate. The data tells us that the Ohio State/Texas semi-final will be much closer than the Vegas line. Not only has the Aggregate hit at 53.1% in general in this category, but when the data is more than 5 points different than the line it's actually hitting at 54.2% of the time. 

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Over/Under

None

The Aggregate doesn't like any of the Over/Under bets this season based on the data. None of the parameters are present in these games where the Aggregate has made money on the over/under this season so we are not recommending any over/under bet this week.


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The Aggregate is not responsible for any decision any individual makes. Please gamble responsibly and if you need help reach out. 





Tuesday, January 7, 2025

College Football Playoff Semi-final Predictions


 College football playoff semi-final predictions. The Aggregate likes Notre Dame as a big favorite. In the second game the data is telling us it will be a much closer game with Ohio State being the slight favorite over the Longhorns.


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For the game on Thursday night the data tells us that Notre Dame is a touchdown favorite over Penn State. Often the biggest thing brought up for Notre Dame is their week two loss to Northern Illinois, but the data from this season tells us that game is the outlier for the Irish. Notre Dame's Aggregate value score for that game was a 4.3. Their next closest score to that this season for the Irish is a 38.1. In fact the range of the rest of their game value scores is 38.1-77.8. Penn State conversely has been very consistent, but they have not shown the upper end that Notre Dame has. Their range of game scores this season is 25.3-62.6.  

Other metrics don't favor Notre Dame quite as much as the Aggregate. The Vegas line has them only as a 1.5 point favorite. Jeff Sagarin has them with a 58% chance to win and ESPN's FPI has them with a 58.6% chance. The Aggregate's other prediction style, the mean prediction, has the Irish with a 69.7% chance. When ESPN's FPI predicts a team in the 50.1%-59.9% chance to win they win 50% of the time. When Sagrain predicts 50.1%-59.9% they win 53.9% of the time. However, when the Aggregate mean predicts 60%-69.9% they win 74.6% of the time and when the Aggregate median predicts 70%-79.9% the team wins 71.4% of the time. 


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In the week's second game the Aggregate is predicting a much closer contest. The Aggregate see's Ohio State as a slight favorite in this game. The Buckeyes are favored by one point and given a 54.2% chance below. Before the last round of the playoffs the data actually showed Texas as a slight favorite in this game, but the Buckeyes rout of Oregon and the Longhorns close game with the Sun Devils changed the data's prediction. 

The Buckeyes are averaging beating their opponents by 24 points. This against the 26th hardest schedule in the country this year. The Longhorns averaged beating opponents by 19.5 points per game against a schedule that the Aggregate ranks as the 11th hardest in the country. 

CFP Semi-finals Predictions
TeamsRecordScoreChance to WinVegas LineO/UMoneyline
Notre Dame13-13670.8%-1.5-122
Penn State13-22929.2%+1.546.5+102
Ohio State12-23454.2%-6.5-218
Texas13-23345.8%+6.554.5+180

SEC End of Season Rankings

  The end of year rankings for the 2024 SEC season. The SEC had more parody than ever in the conference and without a dominant team at the t...