IDP League Trends on Sleeper
How do IDP leagues actually configure their rosters and scoring? We crawled the Sleeper ecosystem starting from our synced leagues, following league members to discover their other leagues via BFS traversal.
59,579 leagues found · 10,001 have IDP · Last updated 2026-06-07
IDP Leagues Found
10,001
of 59,579 (16.8%)
Median IDP Starters
7
slots per league
Most Common Setup
8 IDP
mode value
Have IDP_FLEX
87.4%
of IDP leagues
Dynasty Leagues
87.7%
of IDP leagues
SuperFlex + IDP
68.5%
of IDP leagues
IDP Starter Slots
Distribution of IDP starter slot counts across leagues
Wild outliers from the dataset
- One 4-team league runs 72 IDP starter slots. Seventy-two.
- One family of leagues averages 52 IDP slots across 5 linked leagues. Respect the commitment.
- A 4-team league starts 184 offensive + 30 IDP players per roster. The entire NFL is spoken for.
IDP Scoring Settings
How leagues score defensive stats — range and most common values
| Stat | Most Common | Median |
|---|---|---|
| Sack | 6(49.3%) | 6 |
| Interception | 6(58.8%) | 6 |
| Forced Fumble | 3(62.1%) | 3 |
| Fumble Recovery | 3(65.6%) | 3 |
| Safety | 3(56.1%) | 3 |
| Defensive TD | 6(89%) | 6 |
| Blocked Kick | 3(66.1%) | 3 |
| Tackle for Loss | 2(67.2%) | 2 |
| Solo Tackle | 2(56.5%) | 2 |
| Assisted Tackle | 1(57.6%) | 1 |
| QB Hit | 1(67.3%) | 1 |
| Pass Defended | 3(58.5%) | 3 |
| Total Tackle | 0(40.5%) | 0.5 |
Wild outliers from the dataset
- One 12-team league scores sacks at 358,368 points each.
- A 32-team league scores interceptions at -83 points. Defensive players are punished for doing their job.
- The 4-team league with 184 offensive starters also has 7 scoring stats maxed at 99,999 — solo tackles, total tackles, sacks, interceptions, forced fumbles, pass deflections, and QB hits.
Most Popular IDP Roster Configs
Top configurations by frequency
Wild outliers from the dataset
- One 16-team league has 307 bench slots per team. That's 4,912 rostered players across the league — roughly the entire NFL and half of the CFL.
Cross-tabulations
By League Size
4-team
avg 12.2 IDP · med 8
424 leagues
6-team
avg 8 IDP · med 7
258 leagues
8-team
avg 7.7 IDP · med 7
703 leagues
10-team
avg 6.1 IDP · med 6
2310 leagues
12-team
avg 7 IDP · med 7
3872 leagues
13-team
avg 7 IDP · med 7
1 leagues
14-team
avg 7.6 IDP · med 8
576 leagues
16-team
avg 8 IDP · med 8
726 leagues
17-team
avg 3.8 IDP · med 4
5 leagues
18-team
avg 5.8 IDP · med 6
88 leagues
19-team
avg 3.5 IDP · med 3.5
2 leagues
20-team
avg 7.4 IDP · med 7
115 leagues
22-team
avg 6.6 IDP · med 6
11 leagues
24-team
avg 7.1 IDP · med 7
74 leagues
28-team
avg 4 IDP · med 4
1 leagues
32-team
avg 7.4 IDP · med 7
835 leagues
Dynasty IDP
- Leagues
- 8772
- Avg IDP starters
- 7.3
- Have IDP_FLEX
- 87.8%
Redraft IDP
- Leagues
- 1229
- Avg IDP starters
- 6.3
- Have IDP_FLEX
- 84.5%
SuperFlex Correlation
- SF leagues
- 6853 (avg 7.3 IDP)
- Non-SF leagues
- 3148 (avg 7 IDP)
TEP Correlation
- TEP leagues
- 5696 (avg 7.4 IDP)
- Non-TEP leagues
- 4305 (avg 6.9 IDP)
Data collected via BFS crawl of the Sleeper public API. Only league configuration data is collected — no personal information, rosters, or player data. Last updated 2026-06-07.