Data sources and attribution
Where the underlying data comes from, under which terms, and what we add.
Sources
| Source | What we use | License / terms | Link |
|---|---|---|---|
| nflverse data releases | Play-by-play, player and team stats, rosters, schedules (with public game lines), injury reports and depth charts. | Licensed CC BY 4.0 by the nflverse project; attribution required. | github.com/nflverse |
| nflverse participation data | Player participation (Next Gen Stats through 2022, FTN from 2023), used for data checks and research; not an input to the projections shown. | Licensed CC BY-SA 4.0 via nflverse, with attribution to NGS / FTN. | github.com/nflverse |
| Snap counts | Offensive snap counts, distributed by nflverse (Pro Football Reference origin). | Distributed by nflverse; terms of the original source are not separately confirmed. | github.com/nflverse |
| Player ID crosswalk | Matching player identifiers across sources (DynastyProcess, via nflverse tooling). | Used for identity matching only. | github.com/dynastyprocess |
| MyFantasyLeague.com | Share of public MyFantasyLeague leagues that roster each player, pulled Tuesday, Wednesday and Saturday. Used as a rough reference for the waiver wire's rostered ranges, shown only as a range of about 6 points, never the exact number. | Public data; used as a reference only. | www.myfantasyleague.com |
Our analysis vs the data
- Projections, production estimates, fantasy-point translations, ranges and explanations are created by Next Down IQ from these inputs. They are our analysis, not data supplied by the sources above.
- Upstream data can contain errors or arrive late. Every page states the data snapshot it was built from.
- No paid data is used. This page is updated whenever a source is added or removed.
Trademarks and affiliation
Next Down IQ is an independent analytics site. It is not affiliated with, endorsed by or sponsored by the National Football League, its teams or players. Team and league names are trademarks of their respective owners and are used only to identify teams and players.