An abbreviation of Individual Defensive Player. The incorporation of IDPs into fantasy leagues is an alternative to using team defense in determining outcomes and adds the additional strategy of earning points for the performances of individual players.
Short for Individual Defensive Players. An alternate to the team defense (see definition) concept, fantasy teams draft and earn points for individual defensive players.
Rather than a team defense approach, some leagues decide to have starters for defensive linemen (DL), linebackers (LB) and defensive backs (DB). The number of starters and scoring systems for these positions varies widely.