But how did Chris Wilder's men fare? Our man Danny Hall offers his player ratings. See more reaction from the game HERE
Suffered relentless abuse from the home fans throughout the game but had the last laugh. Didn't have to make a save in the entire 90 minutes
Booked early on for a late challenge on Jansson but gave United a good attacking outlet down the right hand side, giving Alioski problems until he was switched
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A few rocky moments as Leeds continued to press but like so many others, relaxed after United went ahead. Won some big headers late on as Leeds piled forward.
Calmess personified as Leeds piled forward, and wasn't ever in any real danger. Had a half-chance to open the scoring himself in the first half
Colossal. A superb block denied Dallas as he threw his body in the way and helped United keep their seventh clean sheet on the spin
Exceptional, going forward and defending when he had to. Created United's only bright moments in the first half and snuffed out a dangerous Jack Clarke move with ease
Another calm head in the midfield as everyone else threatened to lose theirs. One tackle in the first half, as Leeds looked to play their way through, was an unsung, but potentially huge, moment in the game
Could have opened the scoring in the first half when he rounded Casilla, but tried to square for Sharp. Made no mistake with the winner from Sharp's pass, a superb finish and celebration to match
What a player. Marshalled United's midfield so well and when he needed to, put his foot in to great effect. Did so well to run the clock down in the corner near the end of the game
Worked tirelessly for his team against old pal Liam Cooper and set up Basham's goal, before rounding Casilla which led to the Leeds 'keeper being sent off. A real shift
Couldn't get in the game early on, before a good ball set Basham free and he improved in the second. Conditions were maybe against his usual style. Replaced by Dowell
Gave United some more legs and trickery and helped them see the game out.
Replaced goalscorer Basham and gave him a deserved standing ovation from the Blades fans