How to add new games to the NFL website manually

Go to the "SL API Import" >> "API Leagues" and click on "Tournament Mapping"

Map local and API stages (1-4) and click "Next Step"

Then click "Update Tournament Import Configuration"

Then try to create New Games

To fix the Bracket, open the tournament for editing and manually drag matchups. Also, create 2 ties with one team in the first round if required.