Build your way in every Best Ball draft
A draft companion and season-long portfolio tracker for Underdog NFL Best Ball
The 2026 season is underway. See which of your teams are on track to advance.
Check Your Advance Rate
Free. Import your Underdog CSV, no account needed.
Advance Rate
Which of your teams are on track to advance
Every team's season so far, measured against real Underdog pods from the same weeks.
Know where you stand
- Your projected advance rate vs. the 16.7% baseline
- Every team's chance to advance, from Very likely to Very unlikely
- Your top teams and the players carrying them
Your draft strategy, broken down
- Construction: positional counts and QB stacks
- Build type: Zero RB, Hero RB, Late QB and more
- Advance rate by group: see what's working
In Season
Every team, every player, every week
Search, sort and drill into every team and player across your portfolio.
Drill into any team
- Weekly scoring and % Perfect
- The players who carried each week
- Each team's build strategy at a glance
Weekly top players and stacks
See which players and stacks are leading the way.
- Points Leaders: draft value and spike weeks
- Top Stacks: the best two-player combinations
- Your exposure next to each
Draft Season
Build and manage your portfolio
Plan your builds, save every team, and see your whole portfolio in one place.
Draft with a plan
- Underdog ADP, updated daily
- Plan stacks and builds before you pick
- Track exposure as you draft
Your whole portfolio in one place
- Exposures, stacks and combinations
- Import your CSV or save from Team Builder, free
- Volume drafter? Go Pro for your full portfolio and CLV
See where your teams stand.
Check Your Advance Rate
Free. Import your Underdog CSV, no account needed.
Best Ball Team Builder is an independent project. Underdog Fantasy is not affiliated with or endorsing this tool.