I think lots of things can be used to delve a little deeper into the stats, although I fully accept that there is only one set that actually matter the goals scored and the goals conceded in each game. Goal Difference, possession, clear chances, shots on goals and xG (which is a combination of the last two) should all be linked to how well you expect a team to do, hence it being used in betting. So teams with the biggest GD will be near the top of the league. But they are all curios, and muses for those who like this type of thing. As long as you take them with some scepticism I think they are fun (but have no desire to influence those that don't).
For prediction purposes a site that uses some form of measure of historical ability (both scoring and defending) is preferred because it takes into account we are second and 8 points clear of third! I like 538, which has us with a 69% chance of promotion. (62% of finishing in the top 2)
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