I think your ongoing dismissal of stats needs a big "citation needed" to be honest.
All we're talking about is stats around a shot - does the shooter score from where he's taking the shot (xG)? Does the keeper save the shot that comes in (PSxG)? That's a very small subsection of football, but it does help reduce it to something similar to pitcher v batter in baseball. Of course, that's most of what there is to baseball whereas football is much more nuanced.
There's about
1,000 goals scored per season in the Premier League. Add in France, Germany, Spain and Italy and you're up to 5,000 goals a season. More once you add in Champions League, Europa League, internationals, etc. Run that over, say, the last ten years and you're looking at maybe 60,000 goals to analyse. How many shots are you looking at? Maybe 9 shots per 1 goal? (Suggested
here). More than half a million shots over ten years?
That's a lot of raw data to evaluate those two static outcomes I noted above. I won't argue that the statistical modelling is absolutely correct to the second decimal place usually quoted. You mightn't like the idea that some elements of football can be evaluated by statistical modelling.
But that doesn't make these sort of stats something that can be dismissed as quickly as you'd like to.
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