Arsenal’s winning margin against Coventry City in the 2026–27 Premier League opener was three goals. Arsenal won 3–0, making the difference between the teams’ final scores exactly three.
The result gave Arsenal a winning start to their title defence. Coventry City were appearing in the Premier League after returning to the division for the first time since 2001, so the match carried significance for both clubs. Arsenal’s clean sheet also meant Coventry did not score in their first top-flight game of the campaign.
A winning margin is different from the number of goals scored. Arsenal scored three goals, and because Coventry scored none, the margin was also three. If Coventry had scored once in a 3–1 result, Arsenal would still have scored three but the winning margin would have been two.