Substitute Impact
Output rate when introduced as sub vs starting.
Formula
Some players are better impact subs than starters. This ratio captures it. Above 1.0 = brings more per minute off the bench. Above 1.5 = bench specialist.
How to read the number
What it's good for
- Optimize squad rotation strategy
- Identify ideal bench weapons
- Find under-utilized squad assets
Real-world example
Solanke at Bournemouth: Sub Impact 1.84 — a goal contribution every 38 sub minutes.
Explore other metrics
22 in total — open Metrics Lab for the grid.
Clutch Index
How much a player over-performs their baseline in high-pressure moments.
Hot Hand
Rolling z-score of goal contributions over last 5 matches vs season baseline.
Ghost Matches
Games where a player was statistically invisible.
Iron Index
Tackles + interceptions + clearances per 90, weighted by concession rate.
Travel Warrior
Performance delta on the road vs at home.
Sniper Score
Shot quality beyond xG — actual conversion adjusted for chance difficulty.
See Substitute Impact on real players.
14-day Pro trial — open Player Lab and search any player.