Teams set up (manual):
https://sportninja.zendesk.com/knowledge/articles/360032905251/en-us?brand_id=360001554532
Teams Import:
https://sportninja.zendesk.com/knowledge/articles/7896261627540/en-us?brand_id=360001554532
Related
Roster set up:
https://sportninja.zendesk.com/knowledge/articles/8029567725588/en-us?brand_id=360001554532