As an Administrator to your site you have the ability to Create teams in the Dashboard under Mange Teams
To Manually Create a Team follow these steps
Teams
Select the Event
Create Team - If you have teams already the Create team button will be below the list of teams
Fill in these form fields
Team Name
Team Owner*
Coach*
Age Group
Competition Level
Gender
Max Size
Submit
* Team Owner will default to you. Team Owner and Coach will display user names as you type to assign a user account. These can be changed to a different person later if need be.
As you create manual teams they will also be available as an option for team request if that is turned on for your player registrations.