Glossary:
Overall : The Overall Rating for a given player taking into account Performance, Opportunity, Availability, and ADP (if applicable).
Performace : The Performance Rating for a given player taking into account the weighted contribution of the applicable statistical categories.
Opportunity : The Opportunity Rating for a given player taking into account the the players contribution to the team and the coaches play calling methods.
Availability : The Availability Rating for a given player taking into account how often this player can be used in your lineup. Missed games due to injury, suspension and bye weeks impact this score.