The score says how it ended. xG says how it should have ended: it is the sum of the chances each shot was worth, not an opinion about the game.
The score matched the game: Rayo Vallecano was the better side by chances too.
| Team | Goals | xG | Goals − xG | Expected points |
|---|---|---|---|---|
| Rayo Vallecano | 2 | 1.83 | +0.2 | 1.82 |
| Espanyol | 1 | 1.16 | −0.2 | 0.95 |
Rayo Vallecano: +0.3 for the season (12 in the table). Espanyol: −2.6 (15). The gap between points and xPTS is built from matches like this one.