luckadjusted

Week 14 2019 · December 8, 2019

No FTN charting for this game (drops and interception-worthy throws are not modelled).

Dolphins at Jets, Week 14 2019: who deserved to win?

The Jets beat the Dolphins 22–21, but it was a coin flip: replayed with the way both teams played, the Jets win 5 of 10.

Before kickoff the Jets were 64% favorites. The biggest swing (Q4, 0:03 left): S. Ficken made 44-yard field goal, worth 45 points of win probability to the Jets.

Final

Miami Dolphins 21
New York Jets 22

December 8, 2019 · MetLife Stadium · Closing line: Jets −5

Luck index +49 Jets lucky · −49 Dolphins

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. Dolphins win 5, Jets win 5.

  1. 1 MIA 27 NYJ 6
  2. 2 MIA 20 NYJ 6
  3. 3 MIA 16 NYJ 6
  4. 4 MIA 20 NYJ 15
  5. 5 MIA 23 NYJ 20
  6. 6 MIA 10 NYJ 13
  7. 7 MIA 3 NYJ 7
  8. 8 MIA 3 NYJ 13
  9. 9 MIA 9 NYJ 23
  10. 10 MIA 6 NYJ 28

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.

How 4,000 replays ended

Dolphins win 49% of them, Jets 51%, counting the 6% still level after regulation as half each. The line is what actually happened: Jets by 1.

Show as a table
Final margin in the replaysShare of replays
Dolphins by 17+9.8%
Dolphins by 9–1614.0%
Dolphins by 1–822.9%
Level after regulation5.8%
Jets by 1–821.9%
Jets by 9–1615.1%
Jets by 17+10.5%

Where the luck was

Take the luck out

The final margin was Jets by 1. Remove the luck, one kind at a time, and it becomes Jets by 12.3.

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.

  • J. Sanders, 22 yds made · 99% expected
  • S. Ficken, 37 yds made · 90% expected
  • J. Sanders, 25 yds made · 98% expected
  • J. Sanders, 28 yds made · 97% expected
  • J. Sanders, 31 yds made · 95% expected
  • J. Sanders, 34 yds missed · 93% expected
  • J. Sanders, 53 yds made · 63% expected
  • J. Sanders, 48 yds made · 72% expected
  • S. Ficken, 42 yds made · 83% expected
  • J. Sanders, 37 yds made · 90% expected
  • S. Ficken, 44 yds made · 80% expected
  • Extra point missed · 93% expected
Bar: expected chance of a make. Filled dot: made. Open dot: missed or blocked.

When it happened

Jets’ chance of winning

As low as 34% and as high as 100%. 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 Jets were ahead in it, below while the Dolphins were.
#WhenWhat happenedWin probability forNext drive
1 Q3 11:36 Defensive Pass Interference on the Jets (Blessuan Austin), 38 yardsJudgment calls · 0 flags in 226 snaps before, position avg 1 per 199 +13% MIA MIA: Field goal
2 Q3 7:47 The Jets were stopped on 3rd & 33rd & 4th downs · 50% expected +21% MIA NYJ: Turnover on downs
3 Q3 6:09 J. Sanders missed 34-yard field goalKicks · 93% expected for him +15% NYJ MIA: Punt
4 Q4 9:27 The Dolphins fumbled and recovered it themselvesFumble bounces · loose balls are close to 50/50 +15% MIA MIA: Field goal
5 Q4 2:23 Offensive Holding on the Dolphins, 10 yards, wiping out the playJudgment calls +19% NYJ NYJ: Field goal
6 Q4 1:37 J. Sanders made 37-yard field goalKicks · 90% expected for him +15% MIA –
7 Q4 0:47 Defensive Pass Interference on the Dolphins, 8 yardsJudgment calls +20% NYJ NYJ: Field goal
8 Q4 0:03 S. Ficken made 44-yard field goalKicks · 80% expected for him +45% NYJ –

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.

  • Trumaine Johnson (NYJ CB), out (IR) · 0.8 pts
  • Jamal Adams (NYJ SS), out · 0.7 pts
  • Le'Veon Bell (NYJ RB), out · 0.5 pts
  • Brian Poole (NYJ CB), out · 0.5 pts
  • Arthur Maulet (NYJ CB), out · 0.4 pts
  • Chuma Edoga (NYJ T), out · 0.4 pts
  • Ryan Kalil (NYJ C), out (IR) · 0.3 pts
  • Brian Winters (NYJ G), out (IR) · 0.3 pts
  • Blake Cashman (NYJ LB), out (IR) · 0.3 pts
  • Preston Williams (MIA WR), out (IR) · 0.6 pts
  • Reshad Jones (MIA FS), out (IR) · 0.4 pts
  • Bobby McCain (MIA FS), out (IR) · 0.4 pts
  • Ken Crawley (MIA CB), out (IR) · 0.3 pts
  • Taco Charlton (MIA DE), out · 0.3 pts
  • Shaq Calhoun (MIA G), out · 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

Dolphins 15% · Jets 85%

Final margin
Jets by 1
Luck in points
11.3 for the Dolphins
Luck-adjusted margin
Jets by 12.3
Replay with same day's form
Dolphins 49% · Jets 51% 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 (not available for this game); injuries from snap counts and injury reports. No FTN charting for this game (drops and interception-worthy throws are not modelled).

Methodology and validation · All Week 14 2019 games · Dolphins · Jets

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