Originally Posted by
lardy
I don't particularly love xG, it's still being refined but it's an interesting way to look at the game.
You've described luck there - play badly but pick up points and stay up. A team will do that by having luck. xG tries to quantify luck, in a way. Which teams are being lucky or unlucky.
Gamblers can use it to identify teams who are underpriced, which ones are 'due' a change in fortune or will start winning if they keep doing what they're doing.
It's certainly less meaningless than looking at a 55-45 possession stat and saying "we were the better team, should have won". Last season the board was full of our possession stats, almost celebrations when we got over 50 as if it was a cause for concern. That's meaningless.