League power rankings

Your dynasty league.
One honest board.

Connect Sleeper, MyFantasyLeague, Fleaflicker, Fantrax, or ESPN with a public league ID. Rosterrr reads the league directly and normalizes each available roster and pick portfolio against the same dynasty market.

5

League platforms

All

League teams

1

Value model

01 Live

Public league import

Sleeper

The fastest route from a public league to a full dynasty owner workspace.

Find the 18–19 digit ID in General League Settings.

02 Live

Public league import

MyFantasyLeague

Built for deep formats, custom scoring, contracts, IDP, and long-running leagues.

The league ID is the five digits at the end of the league home URL.

03 Live

Public league import

Fleaflicker

A flexible dynasty home with future picks, taxi squads, and custom scoring.

The league ID is the number after /nfl/leagues/ in the URL.

04 Live

Public league import

Fantrax

Connect deep dynasty formats, flexible rosters, and salary or contract leagues.

Find the league ID after /fantasy/league/ in your public league URL.

05 Public beta

Public league import

ESPN Fantasy

Connect a publicly viewable league for roster rankings and team comparisons.

Your league must be publicly viewable. ESPN support is best-effort while its data endpoint remains undocumented.

Read-onlyNo platform passwordPublic leagues only