luckadjusted

Week 5 2024 · October 6, 2024

Jets vs Vikings, Week 5 2024: who deserved to win?

The Vikings beat the Jets 23–17, and it was no fluke: replayed with the way both teams actually played, the Vikings win 9 of 10. The Jets had the bounces: fumble bounces alone were worth 3.1 points to the Jets.

An off day for the Jets: their offense played far below its usual level. In a fresh game against the Vikings they would win 40% of the time; with this day’s form, 10%. The numbers

Before kickoff the Vikings were 57% favorites. The biggest swing (Q1, 2:30 left): Return touchdown by the Vikings, worth 47 points of win probability to the Vikings.

Final

New York Jets 17
Minnesota Vikings 23

October 6, 2024 · Tottenham Stadium · Closing line: Vikings −2.5

Luck index +10 Vikings about even · −10 Jets

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. Jets win 1, Vikings win 9.

  1. 1 NYJ 10 MIN 3
  2. 2 NYJ 38 MIN 40
  3. 3 NYJ 20 MIN 24
  4. 4 NYJ 24 MIN 31
  5. 5 NYJ 24 MIN 33
  6. 6 NYJ 13 MIN 26
  7. 7 NYJ 10 MIN 26
  8. 8 NYJ 7 MIN 27
  9. 9 NYJ 10 MIN 34
  10. 10 NYJ 6 MIN 37

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, drop, conversion and judgment call redrawn; everything else fixed. The narrowest view of luck.

An off day for the Jets

Their offense played far below its usual level. In a fresh game against the Vikings they would win 40% of the time; with this day’s form, 10%.

30 points apart for the Jets: the gap is how differently this game went from what the two teams usually are.

UnitThis gameUsual levelBetter or worse than usual
Jets offenseEPA per play gained −0.15 −0.02 worse by 0.12
Jets defenseEPA per play allowed −0.16 +0.01 better by 0.17
Vikings offenseEPA per play gained −0.16 +0.14 worse by 0.29
Vikings defenseEPA per play allowed −0.15 +0.06 better by 0.20

EPA (expected points added) per play on competitive snaps, turnovers left out because they are valued as luck. Usual level: the team’s earlier games this season plus half of last season, pulled toward the league average. One team’s defense and the other team’s offense are the same snaps, so one game can’t fully say whose day it was; it shows how far this one was from both teams’ norms.

How 4,000 replays ended

Jets win 10% of them, Vikings 90%, counting the 2% still level after regulation as half each. The line is what actually happened: Vikings by 6.

Show as a table
Final margin in the replaysShare of replays
Jets by 17+0.4%
Jets by 9–162.4%
Jets by 1–86.0%
Level after regulation1.7%
Vikings by 1–818.3%
Vikings by 9–1621.2%
Vikings by 17+50.0%

Where the luck was

Take the luck out

The final margin was Vikings by 6. Remove the luck, one kind at a time, and it becomes Vikings by 3.0.

Each row takes one kind of luck out of the margin. Color shows which team it helped. Luck shares are the fitted ones (how much of each component is luck).

The kicks

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

  • W. Reichard, 54 yds made · 64% expected
  • G. Zuerlein, 32 yds made · 94% expected
  • W. Reichard, 53 yds made · 66% expected
  • W. Reichard, 41 yds made · 86% expected
Bar: expected chance of a make. Filled dot: made. Open dot: missed or blocked.

When it happened

Vikings’ chance of winning

Numbers mark the biggest luck moments, listed below.

nflfastR’s in-game win probability. It ignores the betting line, so it starts near even. Shaded above the middle while the Vikings were ahead in it, below while the Jets were.
#WhenWhat happenedWin probability forNext drive
1 Q1 8:24 The Vikings were stopped on 3rd & 23rd & 4th downs · 59% expected +8% NYJ MIN: Field goal
2 Q1 4:07 The Vikings converted 3rd & 43rd & 4th downs · 44% expected +6% MIN MIN: Turnover
3 Q1 3:22 The Vikings fumbled and the Jets recoveredFumble bounces · loose balls are close to 50/50 +10% NYJ MIN: Opp touchdown
4 Q1 2:30 The Jets were stopped on 3rd & 63rd & 4th downs · 34% expectedThe Jets threw an interception-worthy pass, and it was pickedInterceptions · 52% expected to stay out of the defense's handsReturn touchdown by the VikingsSpecial teams +47% MIN NYJ: Turnover
5 Q4 9:54 The Vikings were stopped on 3rd & 153rd & 4th downs · 20% expectedThe Vikings threw an interception-worthy pass, and it was pickedInterceptions · 46% expected to stay out of the defense's handsFalse Start on the Vikings, 5 yardsPre-snap flags +12% NYJ MIN: Field goal
6 Q4 8:17 The Jets converted 3rd & 103rd & 4th downs · 24% expected +9% NYJ NYJ: Touchdown
7 Q4 1:05 The Jets converted 3rd & 13rd & 4th downs · 70% expected +10% NYJ NYJ: Turnover
8 Q4 0:49 The Jets were stopped on 3rd & 103rd & 4th downs · 24% expectedThe Jets threw an interception-worthy pass, and it was pickedInterceptions · 53% expected to stay out of the defense's hands +32% MIN –

Missing players

Key players (usually on the field for half the snaps or more) who missed this game or part of it, valued by position and quality. The same players are missing in every replay, so this counts as luck in points only.

  • T.J. Hockenson (MIN TE), out (IR) · 0.8 pts
  • Dalton Risner (MIN G), out (IR) · 0.3 pts
  • Morgan Moses (NYJ T), out · 0.9 pts
  • C.J. Mosley (NYJ LB), out · 0.7 pts
  • Jermaine Johnson II (NYJ LB), out (IR) · 0.2 pts

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

Jets 32% · Vikings 68%

Final margin
Vikings by 6
Luck in points
3.0 for the Vikings
Luck-adjusted margin
Vikings by 3.0
Replay with same day's form
Jets 10% · Vikings 90% unchanged: why
How much of each is luck?

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

What counts

We tested momentum on 19,000 lucky breaks and found none, so it's off by default. 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 win probability from nflfastR via nflverse; kicks valued against each kicker’s own record; drops and interception-worthy throws from FTN charting; injuries from snap counts and injury reports.

Methodology and validation · All Week 5 2024 games · Jets · Vikings

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