United's U21s made it four wins on the spin in 2015, with a deserved victory in an entertaining encounter with Leeds at Shirecliffe.
Dominic Calvert-Lewin settled an even contest in the Blades favour with a well taken goal at the start of the second-half, after Kalvin Phillips had cancelled out Connor Diamio's early opener. In the end the winning margin could have been greater as the hosts created a handful of chances after Calvert-Lewin's strike.
United started brightly and took the lead in the 7th minute. McDonagh freed Wallace down the left, he cut the ball back to Whiteman who in turned teed up DIMAIO, his first effort was blocked but he kept his composure to curl into the bottom corner with his second attempt.
Leeds responded with Adryan firing wide from a right-wing corner, but in the 21st minute the visitors equalised through a deflected long-range effort from PHILLIPS that looped over Willis.
In an end-to-end clash, the Blades came agonisingly close to regaining the lead in the 24th minute. Dimaio and Whiteman both tried their luck with shots from inside the area and as the ball broke McDonagh prodded an effort against the post from close range.
As the first-half progressed goalscoring opportunities were at something of a premium, although Adryan hit the post with a free-kick from 20 yards, after Dimaio was booked for a foul on the Brazilian in the final minute of the opening 45.
Just as in the first-half, United were quickly out of the traps after the break and CALVERT-LEWIN broke through the Leeds defence before showing excellent composure to slot the ball home under the advancing goalkeeper.
In the next attack, from a free-kick on the right from Cuvelier, McGahey saw a powerful header at the back post rattle against the crossbar. Cuvelier himself then drew a fine save from the visiting goalkeeper after McDonagh had been brought down on the edge of the area.
The Blades continued to force the issue and Wallace should have done better with a left footed shot from a Cuvelier cross. McDonagh was the next to come close to a third, firing over from Calvert-Lewin's lay-off following Berry's header.
In the end the home side saw the game out well, with Berry and McGahey dominating in the air in the latter stages as Leeds went more direct in a bid to find a leveller.
Blades: Willis, Freeman, McFadzean, Dimaio, Berry, McGahey, Cuvelier, Whiteman, McDonagh (Robson 76), K. Wallace.
Unused: Hamilton, Eastwood, Coustrain, Paling.