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Struijk met Joe Rothwell's flat corner-kick delivery with a crashing strike that hit the roof of the net after 69 minutes, before Joseph came off the bench to seal the points with a close-range finish.

Chris Wilder's visitors, who entered the game as the only unbeaten side in the League in 2024-2025, had earlier defended resolutely to prevent Leeds from turning its dominance of possession into clear-cut chances.

Largie Ramazani went closest to the breakthrough in the first half as his low drive was repelled by Blades goalkeeper Michael Cooper, while Brenden Aaronson volleyed wide of the near post shortly before the break.

Sheffield United briefly improved after the restart as Joe Rodon's block diverted Ollie Arblaster's drive wide, but the Blades were caught out from a set-piece soon afterwards.

Struijk was not tracked as he raced onto Rothwell's clever corner to blast home, just the fourth goal Sheffield United had conceded in league play this season and the first since 24 August.

With Sheffield United throwing men forward, Leeds made certain of the result in the 90th minute, Joseph taking in Joel Piroe's pass before sliding his finish into the bottom-left corner.

Leeds's victory extended its unbeaten streak in Yorkshire derbies to 16 league matches – 12 wins, four draws – with its last such defeat coming against Sheffield Wednesday in the second tier in January 2020.

It is the club's longest such run against Yorkshire rivals, while it has also recorded three straight league victories over the Blades, whom it beat twice in the Premier League in 2020-2021 - 1-0 away, 2-1 home.