What is momentum in football?

Momentum is the measurable version of the commentator's phrase "the game has turned". Even while the score stands still, the balance on the pitch keeps shifting: one team wins corner after corner, circulates the ball in the opposition half and collects the second balls. No goal has arrived yet in these phases, but the likelihood of one has visibly grown.

That is why momentum tells a story independent of the scoreboard. A large share of goals arrive after minutes of sustained pressure; momentum makes that phase visible before the outcome does.

The general approach is to continuously evaluate recent events, attacks, shots, ball recoveries, corners and activity in the opposition half, and convert the balance of pressure into a number. Short-lived spikes are smoothed out so that sustained pressure stands out rather than a single corner.

On Shutli, the Toprak model combines dozens of in-match data points into a momentum score from 0 to 100 for each team. High values indicate sustained dominant pressure, values around 50 a balanced game, and low values a team pinned in its own half. The score updates minute by minute and draws a curve across the match.

On a momentum curve the trend matters more than the instant value. A rising curve in a goalless match says pressure is accumulating and danger is building. Events such as goals, red cards or key substitutions create clear breaks in the line; after a sending-off, the short-handed team's curve often drops for good.

Half time is a natural seam as well: teams return from the dressing room with different plans, and the second half can have a completely different momentum character from the first. Reading the two halves as separate stories is the soundest approach.