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.

Aaron Rodgers — 2025

Adj EPA / dropback
+0.020
Raw EPA / dropback
+0.003
Dropbacks
563
Turnover EPA
-49.7
WPA
-0.38
WeekOpp DropbacksAdj EPA/dbRaw EPA/dbScheduleTotal adj EPA INT / FLTurnover EPASacksSack EPAWPACPOE
1NYJ 34 +0.196 +0.300 -0.105 +6.6 0 / 0 +0.0 4 -5.6 +0.10 +6.4
2SEA 36 -0.104 -0.172 +0.068 -3.7 2 / 0 -7.3 3 -3.2 -0.23 -6.4
3NE 23 +0.040 +0.008 +0.032 +0.9 1 / 0 -5.3 0 +0.0 +0.17 +4.5
4MIN 24 +0.264 +0.158 +0.106 +6.3 0 / 0 +0.0 2 -3.1 +0.19 +9.6
6CLE 30 +0.390 +0.320 +0.070 +11.7 0 / 0 +0.0 0 +0.0 +0.18 +8.2
7CIN 34 +0.337 +0.392 -0.054 +11.5 2 / 0 -4.2 0 +0.0 +0.30 +4.9
8GB 40 -0.099 -0.101 +0.003 -3.9 0 / 0 +0.0 3 -4.5 -0.24 +5.0
9IND 38 -0.028 +0.000 -0.028 -1.0 0 / 0 +0.0 3 -3.9 -0.03 -2.6
10LAC 34 -0.471 -0.532 +0.061 -16.0 2 / 0 -10.1 3 -3.9 -0.54 -10.8
11CIN 16 +0.023 +0.077 -0.054 +0.4 0 / 0 +0.0 1 -1.7 -0.09 -10.3
13BUF 22 -0.419 -0.435 +0.017 -9.2 0 / 1 -8.5 1 -8.5 -0.34 -20.2
14BAL 34 +0.324 +0.311 +0.014 +11.0 0 / 0 +0.0 0 +0.0 +0.31 +4.3
15MIA 30 +0.333 +0.371 -0.037 +10.0 0 / 0 +0.0 3 -6.2 +0.16 +10.4
16DET 43 +0.286 +0.256 +0.029 +12.3 0 / 0 +0.0 2 -4.2 +0.29 -1.4
17CLE 39 -0.263 -0.318 +0.055 -10.3 0 / 0 +0.0 2 -2.5 -0.49 -9.1
18BAL 49 +0.162 +0.152 +0.010 +7.9 0 / 0 +0.0 2 -3.6 +0.53 +1.2
19HOU 37 -0.623 -0.719 +0.096 -23.1 1 / 1 -14.2 4 -12.0 -0.64 -7.4
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.