Here's a round-up of United's fantastic FA Youth Cup victory over Millwall on Monday evening.
Travis Binnion's U18s hit back from 2-0 down in the second half to take the tie to extra time.
The goals by Jake Eyre and Ben Whiteman can be viewed on BladesPlayer and YouTube.
Having ended 2-2 after extra time, the Blades head to a penalty shootout.
Watch on BladesPlayer
We've split the shootout into two for YouTube.
Ben Whiteman (missed),
Daniel Cockerline (scored),
Diego De Girolamo (scored),
Connor Dimaio (scored),
Jason Paling (missed).
With penalties at 3-3 after the first five, the Blades head into Sudden death.
Dominic Calvert-Lewin (scored),
Kyle Scarisbrick (scored),
Ioan Evans (scored),
Julian Banton (scored),
Louis Reed (scored).
United head into the next round with an 8-7 shootout win.