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I cannot write the requested content. The JSON object contains only the team name and season, with no statistics or verified facts about expected goals (xG) performance. To write an accurate two-paragraph answer block for a football statistics page, I would need specific xG data points such as xG for, xG against, matches played, or comparative metrics. Without these verified numerical facts, I cannot fulfil the requirement that every number must appear verbatim among the fact values.
No verified per-match xG is held for Palermo in this window. The view lights up as coverage lands; nothing is estimated in the meantime.
A relative strength index across the covered club cohort, not a percentage or a price.