luckadjusted
CFB Week 4 · 2026

Week 8 2025 · October 18, 2025

Missouri at Auburn, Week 8 2025: who deserved to win?

Missouri beat Auburn 23–17, but the replays lean toward Auburn: it takes 7 of 10 with the same day's form.

Before kickoff Missouri was a 54% favorite. The biggest swing (OT): R. Meyer missed a 38-yard field goal, worth 40 points of win probability to Auburn.

Final (OT)

Missouri Tigers 23
Auburn Tigers 17

October 18, 2025 · Jordan-Hare Stadium · Closing line: Missouri −1.5

Luck index +68 Missouri very lucky · −68 Auburn

Each team’s own plays from this game, resampled into new drives 4,000 times: with the way both teams actually played, how often does this performance win? How the replay works

Ten replays. Missouri wins 3, Auburn wins 7.

  1. 1 MIZ 37 AUB 20
  2. 2 MIZ 28 AUB 19
  3. 3 MIZ 17 AUB 14
  4. 4 MIZ 13 AUB 14
  5. 5 MIZ 17 AUB 21
  6. 6 MIZ 13 AUB 21
  7. 7 MIZ 2 AUB 14
  8. 8 MIZ 16 AUB 31
  9. 9 MIZ 10 AUB 29
  10. 10 MIZ 9 AUB 38

Three other ways to ask

Each answers a different question, so none of them replaces the replay above.

The closing betting line, turned into a probability. What everyone knew before the game.

The line plus what this game showed, weighted by how much one game can tell. It stays close to the line because one game says little.

Every kick, fumble bounce, conversion and judgment call redrawn; everything else fixed. The narrowest view of luck.

How 4,000 replays ended

Missouri wins 32% of them, Auburn 68%, counting the 5% still level after regulation as half each. The line is what actually happened: Missouri by 6.

Show as a table
Final margin in the replaysShare of replays
Missouri by 17+5.0%
Missouri by 9–169.8%
Missouri by 1–815.3%
Level after regulation4.7%
Auburn by 1–822.8%
Auburn by 9–1619.6%
Auburn by 17+22.9%

Where the luck was

What the luck was worth

Every lucky and unlucky play, weighted by the moment it happened: its swing in win probability, added up by kind. A missed kick in a decided game counts for nothing; the same kick at the end of a tie game can be most of a win.

Swings add up across a game, so in one that went back and forth they can pass 100%. On the scoreboard the same luck was worth +11.8 points to Missouri: the final margin was Missouri by 6, without the luck Auburn by 5.8. Luck shares are the fitted ones (how much of each kind is luck).

The kicks

How likely each kicker was to make that kick (his own record, the distance), and what happened.

  • R. Meyer, 24 yds made · 92% expected
  • A. McPherson, 40 yds missed · 76% expected
  • A. McPherson, 38 yds missed · 78% expected
  • A. McPherson, 22 yds made · 95% expected
  • A. McPherson, 50 yds missed · 56% expected
  • R. Meyer, 38 yds missed · 76% expected
Bar: expected chance of a make. Filled dot: made. Open dot: missed or blocked.

Penalties: Missouri 5 for 51 yards, Auburn 4 for 40 yards

Every accepted flag, in order, and what it did to the helped team’s chance of winning at that moment, including any play it wiped out (points on the scoreboard in grey). A flag in a decided game is worth nothing; one at the turn of a close game can be worth most of a win. Judgment calls count toward luck, pre-snap fouls mostly don’t. How calls are valued

WhenFlagWin probability for
Q1 12:53 Pass Interference on Missouri, 15 yards +8% AUB +3.9 pts
Q1 1:48 Penalty on Missouri, 1 yard +3% AUB +1.5 pts
Q1 1:01 False Start on Auburn, 5 yards · pre-snap +2% MIZ +0.9 pts
Q2 7:18 Offside on Auburn, 5 yards · pre-snap +2% MIZ +0.7 pts
Q2 1:48 Roughing the Passer on Missouri, 15 yards +4% AUB +1.6 pts
Q3 3:37 Personal Foul on Missouri, 15 yards +6% AUB +1.6 pts
Q4 6:06 Pass Interference on Auburn, 15 yards +7% MIZ +1.6 pts
Q4 6:06 Unnecessary Roughness on Auburn, 15 yards +4% MIZ +0.8 pts
Q4 0:24 False Start on Missouri, 5 yards · pre-snap +2% AUB +0.2 pts

When it happened

Auburn’s chance of winning

As low as 0% and as high as 88%. Numbers mark the biggest luck moments, listed below.

Our in-game win probability: the score, the value of the possession and the time left, starting from the betting line. Overtime has no clock and is drawn at a fixed width. Shaded above the middle while Auburn was ahead in it, below while Missouri was.
#WhenWhat happenedWin probability forNext drive
1 Q1 12:53 Pass Interference on Missouri, 15 yardsJudgment calls +8% AUB AUB: Touchdown
2 Q3 8:14 A. McPherson missed a 38-yard field goalKicks · 78% expected for him +8% MIZ AUB: Touchdown
3 Q3 3:37 Personal Foul on Missouri, 15 yardsJudgment calls +6% AUB AUB: Touchdown
4 Q4 6:06 Pass Interference on Auburn, 15 yardsJudgment callsUnnecessary Roughness on Auburn, 15 yardsJudgment calls +11% MIZ MIZ: Touchdown
5 Q4 4:09 Auburn converted 3rd & 103rd & 4th downs · 25% expected +22% AUB AUB: Punt
6 Q4 3:05 Auburn was stopped on 3rd & 93rd & 4th downs · 28% expected +8% MIZ AUB: Punt
7 OT A. McPherson missed a 50-yard field goalKicks · 56% expected for him, 3 of 4 from 45+ before +34% MIZ –
8 OT R. Meyer missed a 38-yard field goalKicks · 76% expected for him +40% AUB –

Adjust the assumptions

Disagree with how much of a fumble bounce or a pass interference call is luck? Change it and the coin-flip replay reruns in your browser.

Only coin-flips re-rolled

Missouri 15% · Auburn 85%

Final margin
Missouri by 6
Luck in points
11.8 for Missouri
Luck-adjusted margin
Auburn by 5.8
Replay with same day's form
Missouri 32% · Auburn 68% unchanged: why
How much of each is luck?

0% treats it as skill, 100% as pure luck. The tick is our fit.

What counts

None by default: our tests measured no carryover after a lucky break. Slide it up to count a break for more than its own swing. Why

Flip a play

Force the other outcome, in this game and in every replay: a made kick becomes a miss, a stop becomes a conversion, a flag goes the other way.

About these numbers

Play-by-play and expected points from CollegeFootballData.com via cfbfastR; win probability from our own model of the score, the possession and the betting line; kicks valued against each kicker’s own record. College play-by-play has no charting of drops or interception-worthy throws and no injury reports, so those kinds of luck aren’t counted here.

Methodology and validation · All Week 8 2025 games · Missouri · Auburn

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