To copy rosters from a previous season:
1. Under the Season tab, click the Season dropdown to the right
2. Click the 'New Season' option at the bottom of the list
3. Select the previous season you'd like to copy from
4. For the Copy Teams option, select 'Yes'
5. For the Copy Team Rosters option, select 'Yes'
6. A window titled Clone Season will appear, select 'Yes'
When complete, a 'Success' Window will appear. From there, your rosters should appear in a couple of minutes, and you will be notified via email when they are ready.