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How to Make a Midseason Switch to Sleeper

How to move to Sleeper from other platforms (ESPN, Yahoo, NFL, etc)

Written by Sleeper HQ

Thinking about switching your league to Sleeper in the middle of the season?

Good news: you don't have to wait until the offseason. While moving an existing league takes a little setup, the process is straightforward and can be completed in a single sitting.

For the easiest experience, we recommend using the Sleeper web app on a desktop or laptop computer.

Step 1: Create Your League

After creating your Sleeper account and logging in, create a new league.

Give your league a name, but do not invite any league members yet.

Step 2: Configure Your Settings

Open your league settings and customize your:

  • League settings

  • Roster settings

  • Scoring settings

Take your time here, as these settings will determine how your league functions moving forward.

Once everything matches your current league, you're ready to move on.

You can learn more about the different scoring options here.

Step 3: Enter Existing Rosters

From your league homepage, click Preview Your Draft Lobby.

You'll use the draft board to manually enter each team's current roster.

Do not start the draft yet.

Assign each draft column to a specific team and keep track of which team corresponds to which manager.

To add players:

  1. Click an individual draft tile.

  2. Select Set Player.

  3. Repeat until every roster has been entered.

When finished, your draft board should contain all players currently rostered in your league.

Step 4: Complete the Draft

Once all rosters have been entered:

  1. Click the settings icon in the upper-right corner.

  2. Select Begin Draft.

Because all picks have already been filled, the draft will automatically skip through the remaining selections, immediately conclude, and assign all players to their respective teams.

Step 5: Invite Your League Members

Now that the rosters are in place, invite your league members.

You can share your league's invite link from:

  • The league homepage

  • League settings

  • The Sleeper mobile app

Anyone who opens the invite link will be able to join the league directly.

Step 6: Assign Owners to Teams

Once everyone has joined:

  1. Open League Settings.

  2. Select Member Settings.

  3. Click Add next to each team.

  4. Assign the appropriate user to the correct roster.

After every roster has an owner assigned, your league setup is complete.

Optional: Import Previous Results

If you'd like your Sleeper league standings to reflect games already played earlier in the season, commissioners can manually update scores and records.

To do this:

  1. Open League Settings.

  2. Select Commissioner Control.

  3. Choose Edit Lineups and Matchups.

For each completed week, use Recalculate All Matchup Records For Week to update standings.

Commissioners can also manually edit team point totals if needed.

Please note:

  • Any manual score adjustment will generate a league chat notification.

  • Current-week matchups cannot be recalculated until all games for that week have been completed.

For example, Week 7 scores cannot be recalculated until the final Week 7 game has ended.

You're Ready to Go

That's it!

Your league is now fully set up on Sleeper, and you can continue your season without missing a beat.

If you need additional assistance, visit our Support Center or contact us at [email protected].

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