A brace from Billy Sharp proved decisive, as United returned to winning ways in Saturday's lunchtime Yorkshire derby against Leeds at Bramall Lane.
The skipper opened the scoring with a wonderful volley, before settling the contest from the penalty spot, after Pierre-Michel Lasogga had levelled for the visitors.
For Saturday's lunchtime kick-off, boss Wilder made three changes. Blackman, Duffy and Sharp all returned to the starting XI, with Holmes and Wilson dropping to the bench and Moore beginning a three-match ban following his red card at Wolves.
Inside two minutes the Blades were in front and in some style too. Duffy's right-wing cross was deflected by a retreating defender and in one movement SHARP swivelled and volleyed powerfully past Wiedwald, who was beaten from the moment it left the skipper's boot. Leeds, who were visibly rattled, then had Forshaw booked for a lunge on O'Connell.
The Blades continued to dominate proceedings and Sharp almost had a second as headed an Evans free-kick over the top. Sharp was then booked after catching Pennington. The bookings were flowing steadier than the rain, with Roofe the next to be carded. The visitors first effort at goal came 23 minutes in, with Lasogga, firing wide from 30 yards.
Back came the Blades with two efforts inside a minute. Firstly, Duffy played in Sharp and his effort narrowly evaded Clarke, who only needed a touch to make it two, then having worked some space for himself, Duffy had Wiedwald worried with a shot that went just wide.
With half-time approaching, Evans freed Duffy, who tested Wiedwald, before the United midfielder was booked for what seemed a fair tackle on Alioski. From the resulting free-kick, Blackman was at his best to deny Jansson from point-blank range in the last meaningful action of the half.
Three minutes into the Leeds were level. Hernandez robbed O'Connell and crossed for LASOGGA to head home at the back post. The visitors buoyed by the goal continued to press forward. Hernandez had a shot deflected wide and from the resulting corner, O'Connell had to block from Pennington after the ball broke in the box.
United looked to readdress the balance, and after ball broke for Sharp on the edge of the box, Duffy cut inside De Bock but fired inches over. And in the 73rd the game turned back in the Blades favour. O'Kane was adjudged to have fouled the advancing Fleck and despite Leeds protests referee Madley pointed to the spot and SHARP stepped up and tucked home his second to the delight of the Kop and the majority inside the Lane.
Five minutes later, the Blades could have made it three, Fleck and Stevens combined to release Clarke, but he fired over from a promising position. Leeds chasing the game again threatened, with Hernandez getting the better of Basham before firing over. With the clocking ticking, Sharp received a standing ovation as he was replaced by Holmes.
Four minutes of added time were signalled and United had appeals for a second penalty turned down, as Pennington and Clarke tangled, instead the Blades were awarded corner. De Bock had a shot deflected wide, but the Blades hung on for a deserved victory.
Blades: Blackman, Baldock, Stevens, Fleck, O'Connell, Basham, Clarke, Sharp (Holmes 90), Stearman, L Evans (Lundstram 88), Duffy (Leonard 77).
Unused: Donaldson, Wilson, Lafferty, Eastwood.
Leeds: Wiedwald, Forshaw, Pennington, Roofe (Hernandez 45), Lasogga, Alioski (Sacko 75), De Bock, O'Kane, Dallas, Jansson, Phillips (Ekuban 77).
Unused: Lonergan, Anita, Cibicki, Vieira.