Game quality

What each result was worth beyond the score. Every play is graded by EPA (expected points added), then adjusted for who it came against: a defence's rating is what it allowed to everyone else that season, so a big day against a bad defence counts for less. Season views include playoff games.

Jared Goff — 2022

Adj EPA / dropback
+0.174
Raw EPA / dropback
+0.168
Dropbacks
610
Turnover EPA
-52.2
WPA
+2.60
WeekOpp DropbacksAdj EPA/dbRaw EPA/dbScheduleTotal adj EPA INT / FLTurnover EPASacksSack EPAWPACPOE
1PHI 38 -0.008 -0.056 +0.047 -0.3 1 / 0 -7.0 1 -2.5 -0.17 -12.0
2WAS 37 +0.026 +0.033 -0.007 +0.9 0 / 0 +0.0 3 -4.7 +0.04 -6.6
3MIN 40 +0.188 +0.194 -0.006 +7.5 1 / 0 -0.5 0 +0.0 +0.25 -1.3
4SEA 41 +0.330 +0.360 -0.030 +13.5 1 / 0 -8.8 1 -2.1 +0.17 +2.4
5NE 37 -0.505 -0.559 +0.054 -18.7 1 / 1 -12.9 2 -10.9 -0.38 +0.7
7DAL 31 -0.130 -0.214 +0.084 -4.0 2 / 2 -16.1 5 -13.7 +0.16 +9.3
8MIA 38 +0.243 +0.229 +0.015 +9.2 0 / 0 +0.0 1 -2.3 +0.23 +1.1
9GB 26 -0.038 -0.056 +0.019 -1.0 1 / 0 -6.8 0 +0.0 -0.13 -17.7
10CHI 28 +0.587 +0.630 -0.043 +16.4 0 / 0 +0.0 2 -2.5 +0.58 +4.2
11NYG 26 +0.104 +0.108 -0.004 +2.7 0 / 0 +0.0 0 +0.0 +0.12 -0.3
12BUF 39 +0.215 +0.145 +0.070 +8.4 0 / 0 +0.0 2 -2.1 +0.10 -3.2
13JAX 43 +0.454 +0.503 -0.049 +19.5 0 / 0 +0.0 2 -2.3 +0.20 +4.6
14MIN 39 +0.367 +0.366 +0.000 +14.3 0 / 0 +0.0 0 +0.0 +0.31 +2.2
15NYJ 38 +0.295 +0.308 -0.013 +11.2 0 / 0 +0.0 0 +0.0 +0.51 -5.4
16CAR 44 +0.316 +0.312 +0.004 +13.9 0 / 0 +0.0 2 -4.0 +0.20 -2.3
17CHI 30 +0.137 +0.192 -0.055 +4.1 0 / 0 +0.0 1 -2.0 +0.17 -1.1
18GB 35 +0.239 +0.214 +0.025 +8.4 0 / 0 +0.0 1 -1.7 +0.24 -0.0
Opponent adjustment. A unit's rating for a game is its average over its other games that season, blended with 16 games' worth of prior (league average plus half of last season's gap from it; 24 games for pass defence, which is noisier). Early in a season that leans on last year; by midseason it is mostly this year. Chosen by how well it predicts a held-out game: it cut that error by about a quarter against no shrinkage, and adjusted numbers agree between odd and even weeks more than raw ones do (team EPA margin r 0.52 → 0.55, defence 0.32 → 0.36, QB EPA/dropback 0.47 → 0.49, 2016–2025).
Win expectancy is a logistic fit of wins on EPA margin over 6,036 completed games (it names the winner 86.5% of the time). These describe what happened; one game is not a forecast. Play-by-play credits the quarterback with every sack and dropback, so a bad line shows up in his numbers. Seasons 2016–2026, built 2026-09-14 01:25 UTC, from nflverse. Write-up: backtests/nfl_game_quality/FINDINGS.md.