Lazio vs Cagliari
Our model puts a Lazio win at 67.3% in this Serie A fixture — the clearest call on this fixture. Expected goals run 2 to 0.7.
What this probability has been worth
A number is worth what it has been worth. Across 2,324 predictions published before kick-off and scored against the result afterwards, the calls we priced between 65% and 75% came in 70.4% of the time — 223 fixtures in that band. The model claimed 69.5%, so the two are within 0.9 points of each other. In this range the stated probability has meant roughly what it says.
The ratings gap
Lazio carry a rating of 1774 against 1636 for Cagliari, a gap of 139 points. On our scale that is the difference between a side that controls most of its fixtures and one that has to earn each of them. It is also the single largest input into the probabilities above.
Attack against defence
The single rating hides where the mismatch actually sits. Splitting it, Lazio's attack should find room against Cagliari's defence, by 110 points. That is the mechanism behind the expected-goals line rather than a separate opinion about it.
Lazio are on a run
Lazio arrive on 4 straight wins, part of 8 matches unbeaten. Form of that length moves our rating on its own, so it is already reflected in the numbers above rather than being an argument on top of them.
Early or late
42.9% of Cagliari's goals have come after the break, against 56.2% for the sides we measure, over 14 goals. A side that does its scoring early has more to protect than most, and a lead at the break is likelier to be the story of the match than the first act of it.
Behind the defence
79.6% of the shots on target Lazio face do not end up in the net, against 67.3% for the sides we measure. That is a keeper and a defence having a good run of it — and a figure that tends to drift back toward the middle, which is worth remembering before reading too much into it.
A high-scoring home side
One model here does nothing but estimate how likely the home side is to score four goals or more, and on this fixture it reads 64.9%. Across our settled fixtures that happens about 8% of the time, so this is well above ordinary. It says nothing about who wins — a side can score four and still be caught — but a match where one team is expected to run up a total is one where the scoreline is much harder to call than the result.