NFL Officiating Observatory
FULL DATA
NFL penalty and referee data (downloads)
TL;DR
Free CSV downloads of NFL penalty statistics: by crew chief, team, season, week and penalty type, regular season since 2015, updated weekly. Please credit nflobservatory.com.
| File | What it contains | Rows |
|---|---|---|
| crew_chiefs_2026.csv | Penalties per game by crew chief, current season and 2015–25 | 17 |
| teams_2026.csv | Penalties per game by team, current season | 32 |
| flags_by_season.csv | League penalties per game by season | 12 |
| flags_by_week.csv | League penalties per game by week of season, 2015 to now | 199 |
| penalty_types_by_season.csv | Per-game rate of each common penalty type by season | 216 |
About the data
Built from NFL play-by-play published by nflverse, with crew assignments from nflverse and Football Zebras. Counts are accepted penalties in regular-season games. Declined and offsetting penalties are not counted. See the methodology.