Off-Ball Player Contribution Tracking

Some players generate significant value for their team primarily through off-ball actions: running into space that draws defenders, making runs that create passing options even when the ball isn't played to them, and positioning to enable teammates' on-ball decisions. These "humble" contributions are invisible in any touch-based metric. Off-ball contribution tracking combines: (a) time in positional advantage zones; (b) frequency of being the highest-value passing option when a passer is in possession; (c) defensive line disruption created by runs. This is how to see the "11th player" who never appears in the highlights.

Build a composite off-ball contribution score: (1) count matches where the player was in positional advantage >X% of their off-ball time; (2) count instances where they were the highest-value available receiver but didn't receive the pass; (3) track defensive shape disruption via how defenders move in response to their runs (requires tracking data). Players who score high on (1) and (2) but low on actual touch count are "humble contributors" — creating value that shows up in teammates' on-ball metrics rather than their own.

1. Valuing players only on touch-based metrics: Off-ball contributors are systematically undervalued by any metric that requires the player to touch the ball.
2. Assuming off-ball runs only matter when the ball is played: A run that was never completed as a pass still drew a defender — the value exists even if the touch never happened.