Measure compatibility
Score how any two players combine, even if they have never shared a pitch. You get their compatibility in play style as a number, with the reasoning behind it.
A new category of football data
Individual
Top sprint speedAerial duels wonShots /90xG /90Progressive passesPasses /90Tackles wonPass completion Ball recoveries xA /90Interactional
What you have today
Historic
It only tells you how a player performed, never how he will perform for you.
Stripped of context
You are forced to evaluate their performance on the assumption that the context will travel with them.
For example
They measure a player’s actions more precisely. But they still describe him alone, as if his output would travel unchanged to any other squad.
Anyone who watches football knows performance depends on teammates, role and system. We just forget it when we recruit.
What you get
Players and their actions, put in context. Interactional data measures what happens between players, even for two who have never played together.
The same two players
It works for two players who have never shared a pitch, so it applies to the signing you are deciding on, not just the squad you already have.
The answer is different for every club, because the fit a team needs depends on the current squad.
Score how any two players combine, even if they have never shared a pitch. You get their compatibility in play style as a number, with the reasoning behind it.
Remove the uncertainty of whether a player will fit your playing style by predicting their behaviour in your current game plan.
Reveal weaknesses hidden between players, not just within them. See where compatibility issues reduce team performance and where reinforcements will have the greatest impact.
The research
A pair’s value is what they produce together, beyond the sum of their individual play.
Modelled from how each player acts, so it can be predicted for two players who have never shared a pitch.
The principle
Split into an offensive and a defensive component, validated across 361 seasons in 106 competitions.
Bring interactional data into your recruitment and build for how players will play together.
Getting the data
Use our platform for direct access to our data,
or go custom using our API.
Platform
You gain direct access to our platform upon signup. Your staff log in and the data is ready to use. Nothing to set up.
Example view
API
An API that is ready for advanced data teams to squeeze every last bit of knowledge out of our data. Custom apps, Jupyter notebooks and AI models, all ready to go.
GET /v1/compatibility?player=1042
{
"player": 1042,
"pair": ["N. Halvorsen", "T. Vanhoof"],
"compatibility": 0.86,
"confidence": 0.71,
"drivers": [
{ "factor": "off-ball movement", "effect": 0.21 },
{ "factor": "pressing triggers", "effect": 0.09 },
{ "factor": "occupies same space", "effect": -0.04 },
{ "factor": "build-up tempo", "effect": 0.06 },
{ "factor": "width in possession", "effect": 0.03 }
],
"squad": [
{ "with": "M. Elzinga", "compatibility": 0.74 },
{ "with": "S. Barreau", "compatibility": 0.69 },
{ "with": "D. Okonjo", "compatibility": 0.61 },
{ "with": "L. Ferreiro", "compatibility": 0.54 }
]
} Example response
Give the club a measure of chemistry it has never had.
Spend your hours on players who’ll actually fit, not the whole pool.
Fewer mis-buys. Less scouting time lost on the wrong names.
Put a number on a multi-million call.
That is the whole point. Gaffer reads how each player plays: style, role, movement, the actions they take, then predicts how the two will combine. It doesn’t need shared minutes, so it works for the signing you’re deciding on, not just the pairs already in your squad.
Your squad and your scouts. Link the players you already have and the reports your scouts write, and you’re set up. The interactional data comes from us, so there is nothing for your club to collect, build or maintain.
The underlying mechanism is grounded in peer-reviewed research. Gaffer’s own research team improved on this research and is the first to put it in a club’s hands. Every score ships with its confidence.
We cover all professional leagues and then some. We are always in the process of onboarding new leagues.
We’re building this with our first clubs. If you’d rather build a team than collect players, let’s talk.