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Which is the best college football conference in 2022?

Analysis

Every FBS team is a dot. Conference averages are not shown, and that is the point: the SEC’s mean is dragged up by four teams, the Big Ten’s spread is twice the Sun Belt’s, and a bar chart of means says none of it. What “compare the conferences” actually asks is how much of one league sits inside the other.

CORE defense · 2022

FBS medianSECBig TenBig 12ACCSun BeltMountain WestPac-12American Athlet…Conference USAMid-AmericanFBS Independents

One dot per team, one tick per conference median. Leagues are ordered by median, and the mean is deliberately not shown — four teams drag it and it hides how far the two distributions overlap.

ConferenceTeamsMedianSpreadBest
SEC14-6.811.0Georgia -18.9
Big Ten14-5.610.1Iowa -20.8
Big 1210-4.78.3Iowa State -12.7
ACC14-3.910.6Pittsburgh -15.0
Sun Belt141.314.9James Madison -16.8
Mountain West122.68.4Boise State -6.1
Pac-12122.88.0Oregon State -11.6
American Athletic113.18.3Cincinnati -7.7
Conference USA114.812.6Middle Tennessee -2.6
Mid-American125.54.9Toledo -6.3
FBS Independents76.211.9Notre Dame -4.9

Two numbers, not one

Median answers “how good is this league”. Spread — the interquartile range — answers “how evenly good”, and it is usually the more interesting of the two. A league with a high median and a huge spread is four contenders and eight teams padding their records, which is exactly the shape that produces a conference champion who keeps losing in January.

Note which metric you are looking at. CORE is opponent-adjusted, so it can be compared across leagues honestly. The raw metrics cannot: a conference that plays itself twelve times has its schedule strength baked into every raw number, which is the single most common way conference comparisons go wrong.