Connect your Yahoo league — read-only, one tap, free — and run your real roster through the house: the Roster Doctor checks it, Start/Sit rules it, the Trade Judge prices it.
Y! Yahoo
ESPN
Sleeper
FREE · READ-ONLY · NO LOGIN NEEDED
ESPN — enter your League ID
It's the number in your ESPN league URL: …/league?leagueId=123456. Public and "viewable" leagues open instantly.
my league is private →
Private leagues need two cookies from espn.com while logged in (Settings → they never leave this request, we don't store them): espn_s2 and SWID.
FREE · PUBLIC API · JUST A USERNAME
Sleeper — enter your username
The easiest one on earth: your Sleeper username is all it takes. NFL leagues, current season.
FREE · READ-ONLY · NO APP
Step 1 — connect Yahoo
You approve on Yahoo's own page. We never see your password, we can't change your team, and you can disconnect here any time.