Key takeaways
- Panthers 16, Packers 13 at Green Bay is the biggest upset of 2025. Carolina was a 13-point underdog on the road and won outright.
- Minnesota was the second-biggest. The Vikings won in Detroit as a 9.5-point dog on the same slate, which is how one Sunday becomes a massacre.
- Week 9 eliminated 20.5% of the Circa Survivor field and left only about 9% of entries alive out of a pool playing for $18.7 million.
- Week 10 finished the job. Carolina lost to New Orleans with roughly 28% of remaining entries on them, Buffalo lost to Miami, and the field fell to around 1,000.
- The lesson: the team that saves your survivor entry one week is the exact team that busts it the next. Carolina did both in the span of one week.
Every season has one game that reorganizes the standings, the pools and everyone's confidence at the same time. This year it happened in Week 9 at Lambeau Field, and it is not close: Panthers 16, Packers 13, with Carolina getting 13 points, is the biggest upset of 2025.
Thirteen points is a number that means something specific. It means the market thought this was a two-score game with the winner never in doubt. It means a Green Bay team that traded two first-round picks and Kenny Clark for Micah Parsons in August was being priced as a near-lock at home. And it means an enormous number of people had the Packers in their survivor pool, because that is exactly the kind of line that makes survivor players feel safe.
Then Carolina went to Wisconsin and won a 16-13 rock fight. Here is what it did to the pools, what Week 10 did on top of it, and the actual lesson underneath the carnage.
Panthers 16, Packers 13: the biggest upset of 2025
A 13-point road underdog winning outright is rare enough that most seasons do not produce one. It is roughly the market saying "this team has a small single-digit chance," and then the small single-digit chance shows up and takes your money.
What makes it less shocking in hindsight — and I want to be careful, because hindsight is doing a lot of work here — is that Carolina has spent the entire season being underestimated. They have been an underdog in essentially every game they have played and they keep winning anyway. I wrote about this back when the Rico Dowdle waiver run made the Panthers a fantasy story, and the structural argument was the same then as it is now: a run-first team that keeps games in the teens is a nightmare to price.
Low-scoring games are variance amplifiers. A 16-13 final has maybe seven or eight meaningful possessions in it. In a game with that few real events, the better team's advantage barely gets a chance to express itself. That is not luck exactly, it is a style choice that shrinks the sample inside a single afternoon. Carolina has been making that choice all year.
A 13-point spread is not a prediction that a team will win by 13. It is a prediction that they win almost always. The whole point of "almost" is that the day it fails, it fails for everybody at once.
Minnesota +9.5 in Detroit made it worse
On any other Sunday, the Vikings winning in Detroit as a 9.5-point underdog is the headline. On this one it was the undercard, and the second-biggest upset of the season by spread.
Two double-digit dogs winning outright on the same slate is what turns a bad weekend into a historically bad one for pools. Survivor entries do not spread themselves evenly across sixteen games — they cluster hard on three or four "safe" favorites. When two of those safe favorites go down together, you are not eliminating a slice of the field, you are eliminating overlapping slices of it.
Green Bay and Detroit were both the kind of team that survivor players save for the middle of the season. Both lost. The result was predictable in structure even if it was unthinkable in advance.
What Week 9 did to the survivor field
The Circa Survivor contest is the biggest public scoreboard we have for this stuff, with $18.7 million on the line, and the numbers from Week 9 are brutal.
- 20.5% of the field was eliminated in a single week.
- Only about 9% of entries were still alive when it was over.
Take a second with that second number. Nine percent. Nine weeks into a season, more than nine out of every ten entries in the largest survivor pool in the country were already dead, and this was not even the worst individual week. Week 5 took out 54% of the remaining field when the most-picked team in the pool lost in overtime, and Week 8 took out 51% more.
Compounding is the whole game. Survive Week 5, survive Week 8, then get clipped in Week 9 and none of it counted. Survivor is not a series of independent weekly decisions, it is one long product where a single zero erases everything to the left of it. Price your picks accordingly.
Then Week 10 compounded it
Here is the part that would be funny if it were not so cruel.
After Carolina saved thousands of entries by beating Green Bay, survivor players did the natural thing and reached for the Panthers the following week. Roughly 28% of all remaining entries were on Carolina in Week 10. Carolina lost to the Saints.
Buffalo also lost to Miami the same week. Between the two, the field was cut to about 1,000 entries.
So the same franchise that was the hero of Week 9 was the villain of Week 10, one week apart, in a pool where being wrong once is fatal. That is the single cleanest illustration of survivor math I have seen all season, and it is worth internalizing before you make your Week 11 pick.
The lesson: recency bias is the thing that kills you
The mistake in Week 10 was not "picking Carolina." Carolina is a decent football team having a good year. The mistake was picking Carolina because of what happened in Week 9.
Beating a 13-point favorite on the road does not make a team a 13-point favorite the following week. It does not even make them better than they were on Saturday. It makes them a team the entire pool just watched do something memorable, which inflates their perceived safety without changing their actual win probability by a point.
Three rules I would carve into the wall:
- Never pick a team in survivor because they just pulled an upset. The upset is information about the market, not about them.
- Never pick a team more than 25% of the field is on unless the number genuinely justifies it. Crowded picks convert a survivable loss into a field-wide extinction event, and you gain nothing by dying with company.
- Separate your spread card from your survivor card completely. Carolina has been a fantastic team to take points with and a terrible team to need an outright win from. Those are different bets and they should never share a rationale.
The pick'em angle heading into Week 11
For weekly pick'em, the takeaway is more optimistic than the survivor body count suggests. Weeks like this are exactly why spread pools reward patience: the people who chase the upset now will be a week late for the next one, and the standings after ten weeks are still very winnable if you have been boring and correct.
Two things I am watching. First, whether the market finally moves Carolina's numbers — a team that beat a 13-point spread as a road dog usually gets repriced hard, and overcorrection is where the value flips to the other side. Second, whether the deadline sellers we covered in last week's trade deadline piece start showing the depth problems that usually surface a month after a fire sale. That is normally where the second half's easy covers come from.
There is real instability around the league right now beyond the scores, too. The Giants fired Brian Daboll on November 10 at 2-8, the second in-season coaching change of the year after Tennessee's in October, and teams in that situation are the least predictable spot on any card — sometimes a two-touchdown letdown, sometimes an emotional cover nobody saw coming.
Set your Week 11 card with the compounding in mind. If you are still alive in a survivor pool at this point, you are in rare company and the correct instinct is to be more careful, not less. And if you are not, there is a whole second half of spread picks left to fix your season with — make them here.