Here's a catch-up on all the players who the Blades bought and sold a decade ago...
5. Bought: Andy Taylor from Tranmere Rovers
Nope, not the lead guitarist from Duran Duran. Taylor made over 40 appearances for the Blades across three seasons, and is now at Oldham Town. (Photo by Matthew Lewis/Getty Images) Photo: Matthew Lewis
6. Sold: Kyle Walker to Spurs
The Blades academy product has gone on to star for both Spurs and Manchester City, and has won two Premier League titles with the latter. (Photo by Marc Atkins/Getty Images) Photo: Marc Atkins
7. Bought: Richard Cresswell from Stoke City
The ex-England U21 international spent four seasons with the Blades, and he's now the Head of Academy Coaching at Leeds United. (Photo by Pete Norton/Getty Images) Photo: Pete Norton
8. Sold: Kyle Naughton to Spurs
Spurs certainly do enjoy a Kyle, don't they? Naughton went on to join Swansea City in 2015, and he's been there ever since. (Photo by Catherine Ivill/Getty Images) Photo: Catherine Ivill