nERD refers to the total contribution of a player throughout the course of a season, based on their efficiency. League average is 0. This ranking gives an estimate of how many games above or below .500 a league-average team would win with that player as one of their starters.
nF EFF measures a player's raw efficiency. More specifically, it is an estimate for the point differential that a league-average team would have with that player as one of the five starters.
Fantasy represents each player's total fantasy value based on contribution across categories and position scarcity.