Sunderland secured an impressive 1-0 victory over Chelsea at the Stadium of Light, with Enzo Le Fée's first-half penalty proving decisive in the Premier League encounter.
The French midfielder converted from the spot in the 36th minute to give the Black Cats the lead after a determined start against their more highly rated opponents.
Chelsea struggled to respond after falling behind, finding it difficult to break down Sunderland's disciplined defensive setup.
Despite efforts to draw level, the visitors were unable to find a breakthrough as Sunderland remained organised and defended their advantage until the final whistle.
The victory represents an important result for Sunderland, demonstrating their ability to compete against established Premier League sides.
For Chelsea, however, the defeat is a disappointing setback, as they leave the Stadium of Light without a point.
