It's only football fans,the last fantasy league you'll ever need.
Connect Sleeper for rosters and transactions. Run auction drafts, salary-cap contracts, and league bylaws in one place — built for the format your group already plays.
Keep playing on Sleeper.
Link your league once. Rosters, transactions, and traded picks flow in automatically — OFFF adds the contract and cap layer Sleeper was never built to run.
Built for contract leagues.
Not redraft. Not best ball. The auction, keeper, and salary-cap format you explain every August — finally stored as structured rules instead of a commissioner spreadsheet.
Auction + snake draft
Run the hybrid draft your league actually plays — not a generic template.
Contracts & cap room
Multi-year deals, salary hits, and roster math kept on the record.
Bylaws everyone can read
Structured league rules alongside Sleeper settings, not buried in a spreadsheet.