Dean Oliver, one of the founding members of the analytical movement in basketball, has utilized player efficiency ratings to determine a simple win/loss record for individual players. Offensive and defensive efficiency ratings are estimates of how many points per 100 possessions a player scores/allows. When offensive efficiency is greater than defensive efficiency, the player is given a win, and vice versa.
Using this data, we are able to predict a winning percentage that each player yields over the course of the season. The following data later in the article helps explain which players are the best at their given roles.