Not a shocker.
I used Messi as an extreme example of why xG is not a true measure of performance of a team or individual.
The fact you ignored all the relevant points is not surprising.
You have to be smart to grasp these concepts.
What you should be more worried about is why the xG of all games does not add up to all goals scored.
As an example the xG of all penalties is very close to reality because they are just using the known data for a fixed event.
It's the same position/chance.
Outside of that the correlation is much worse.
If each probability of a chance was accurate it would be very close over a large sample.
It isn't....
Posted By: usacanary, Sep 1, 19:52:17
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