Once you have your teams made, you can make any changes you need to any teams currently in your season. This might include things like renaming, moving to a new division, deleting and more.
Manage a Team
Navigate to Teams in the menu bar
Click the Name of the team you wan to make edits to
Click Details
Make the edits that you wish to make here and click Save
Mass Actions for Teams
Navigate to Teams in the menu bar
Check off the teams you wish to perform the actions on
Click Actions and select the action you wish to perform