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Across the 3 2026/27 matches with verified per-match xG, Porto scored 6 from 7.2 expected goals and conceded 0 from 2.8 expected against.
The attack underperformed its chances by 1.2 goals and the defence conceded 2.8 fewer than expected. Coverage is 3 of 10 matches; missing matches are excluded, never estimated.
Covered sample: 6 scored from 7.2 xG, 0 conceded from 2.8 xGA over 3 matches.
Expected goals measure the quality of chances created and faced, so a persistent gap between goals and xG marks finishing runs or goalkeeping variance rather than underlying strength. Coverage is stated because partial samples must never masquerade as a full season.
A relative strength index across the covered club cohort, not a percentage or a price.
