Yes. You can swipe right to left on any game to "Edit" or "Delete".
Depending on how you want to set up your season, you can create a new game each time and delete played ones or continue to edit one game depending on the upcoming opponent.
To edit or delete a desired game:
1. Slide from right to left on the game. "Edit" and "Delete" will appear.
2. To delete, tap delete, then tap "Confirm".