Oh idk we can start here for an example:More complicated than you seem to think. What metrics account for different schedules and conferences for instance?
Head-to-head (best won-lost-tied percentage in games between the clubs).
Best won-lost-tied percentage in games played within the division.
Best won-lost-tied percentage in common games.
Best won-lost-tied percentage in games played within the conference.
Strength of victory in all games.
Strength of schedule in all games
Best combined ranking among conference teams in points scored and points allowed in all games.
Best combined ranking among all teams in points scored and points allowed in all games.
Best net points in common games.
Best net points in all games.
Best net touchdowns in all games.