Thirty-five teams walked out of Week 3 with nothing in the loss column, and the national ranking of college football's unbeaten teams that went up this afternoon is less a celebration than a sorting hat. Some of those zeros were earned. Most of them were scheduled.

That is the honest tension in every September list like this one. A 3-0 record is a fact. What it's worth is an argument. And by the time October gets rolling, that pile of thirty-five is going to look a lot more like a handful, because the calendar starts pointing teams at each other instead of at guarantee games.

How many college football unbeaten teams are left after Week 3?

Thirty-five. That is a big number and a soft one. The exercise that matters is separating the teams whose unbeaten start came with a scar on it from the ones who haven't been asked a real question yet. Ole Miss has been asked. The Rebels beat LSU and climbed to No. 4, and LSU, for its trouble, stayed inside the top ten, which tells you the voters watched the game instead of just the result. That's a tell.

Here's the slice of the unbeaten board that showed up on my desk this week:

TeamRecordStatus
Ole Miss3-0No. 4 in the AP Top 25
Florida3-0Newly ranked, No. 21
UCLA3-0Unranked, Big Ten road test ahead

Three undefeated teams, three completely different résumés. Florida and Mississippi State both cracked the poll this week, which is the part of September I love: two programs that spent last fall being other people's punchline get their names back in the top 25 and suddenly the whole conference math changes.

Why does the SEC have 10 teams in the AP Top 25?

Because the league went out in non-conference play and won, more or less across the board, and the poll rewarded it. Ten SEC teams ranked. One national projection already has five of them in the College Football Playoff field. That number will look absurd to half the country and obvious to the other half, and both camps will get to argue about it for eleven more weeks.

My read: ten ranked teams in one league in September is a statement about depth, not about the top. Those ten play each other. They are about to start deleting one another from this unbeaten list, week by week, and the ones still standing in November will have earned every syllable of it. Ole Miss going into Gainesville against a Florida team that just got its poll number back is exactly that machinery starting up.

checked the almanac: in 2007, LSU won the national title with two losses. undefeated is a beautiful thing to be in September and a very hard thing to still be in December, and the sport has never actually required it.

What comes next for the unbeaten teams

The attrition. UCLA at 3-0 heads to Maryland, which is the kind of game that gets zero national billing and decides whether a team is real. Colorado State and UTSA meet at 2-1 apiece. Toledo sits at 2-1 hosting San Diego State. Army and Temple, 1-1 and 1-2, are playing for a season's worth of direction in an AAC game most people won't watch.

Those aren't the marquee names on the unbeaten list, and that's the point. The list thins from the bottom first. Group of Five teams who survive September get to spend October being the most interesting story in the sport, and the ones who don't get to spend it rebuilding.

What I'm watching next is simple: how many of these thirty-five are still standing when the SEC and Big Ten schedules turn fully inward. Not the trust rankings. The subtraction. That number falling is the season actually starting.