This can be done all at once.
1- Go to the Team Profile.
2- Click the tab “Info”
3- Look for “Team Level/League” on the right
4- Click the grey circle (or if you’re changing a current level/league, click the logo)
5- A pop-up appears. Select the highest level in which the team competes. Click Next.
6- A new pop-up appears. Type in the league’s name. Click Next.
7- Select “Select from my computer” if you’d like to use your own logo.
8- Choose the file
9- Click Next
10- Crop the logo
11- Click Next
The League/Level/Logo will now appear for the team and automatically display on athletes’ profiles.