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.

Tua Tagovailoa — 2025

Adj EPA / dropback
+0.026
Raw EPA / dropback
+0.034
Dropbacks
415
Turnover EPA
-56.5
WPA
+0.04
WeekOpp DropbacksAdj EPA/dbRaw EPA/dbScheduleTotal adj EPA INT / FLTurnover EPASacksSack EPAWPACPOE
1IND 27 -0.571 -0.532 -0.039 -15.4 2 / 1 -12.5 3 -8.7 -0.22 -7.6
2NE 37 +0.306 +0.268 +0.038 +11.3 1 / 0 -2.9 5 -6.4 +0.11 +13.7
3BUF 34 +0.033 +0.004 +0.029 +1.1 1 / 0 -5.8 0 +0.0 +0.06 -1.7
4NYJ 25 +0.315 +0.415 -0.100 +7.9 0 / 0 +0.0 0 +0.0 +0.29 -1.7
5CAR 39 +0.216 +0.294 -0.078 +8.4 0 / 0 +0.0 3 -3.6 +0.26 +14.8
6LAC 34 +0.072 -0.001 +0.073 +2.5 3 / 0 -6.9 2 -3.9 -0.03 +2.0
7CLE 25 -0.895 -0.940 +0.044 -22.4 3 / 0 -17.0 2 -2.1 -0.24 -12.5
8ATL 27 +0.361 +0.356 +0.005 +9.8 0 / 0 +0.0 1 -2.0 +0.05 +1.9
9BAL 41 +0.092 +0.085 +0.006 +3.8 1 / 0 -1.2 2 -1.7 -0.11 -3.0
10BUF 21 +0.467 +0.429 +0.038 +9.8 2 / 0 -2.1 0 +0.0 +0.18 +5.9
11WAS 23 +0.003 +0.085 -0.083 +0.1 0 / 0 +0.0 3 -5.2 -0.16 +2.1
13NO 26 -0.305 -0.321 +0.015 -7.9 1 / 0 -4.2 4 -5.9 -0.12 -1.3
14NYJ 22 -0.035 +0.076 -0.110 -0.8 0 / 0 +0.0 1 -1.9 +0.06 -9.2
15PIT 34 +0.077 +0.078 -0.000 +2.6 1 / 0 -4.1 4 -5.9 -0.09 +15.5
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.