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Impact models

DARKO

Predictive points per 100 possessions versus an average player.

What it teaches

  • How much a player is expected to help or hurt a team’s scoring margin.
  • A blended offense + defense view, not just points scored.
  • Who projects as high-impact going forward, not only who stacked counting stats yesterday.

What it doesn't

  • Who “tried hardest” or who had the flashiest highlights.
  • Chemistry, coaching schemes, or playoff-specific matchups by themselves.
  • A guarantee. It’s a projection, not a box-score fact.

Upsides

  • Puts stars and role players on one comparable scale.
  • Updates as new games come in.
  • Splits offense and defense so you can see where the value lives.

Downsides

  • Opaque internals: you can’t recompute it from a box score alone.
  • Can lag sudden role changes or brand-new injuries.
  • Easy to overtrust one number without minutes, age, or context.

How to apply it

  • Rank trade targets and free agents on the same board.
  • Pair with minutes and age: a +2.0 at 36 minutes is different from +2.0 at 12.
  • Use offense/defense splits when building lineups, not just the total.