Here's a catch-up on all the players who the Blades bought and sold a decade ago...
9. Bought: Mark Yeates from Middlesbrough
The journeyman winger spent three seasons with United, before going on to play for a further six clubs. Now 34, he's just joined Conference Premier outfit Fylde. (Photo by Jamie McDonald/Getty Images) Photo: Jamie McDonald
10. Sold: Brian Howard to Reading
The Southampton youth academy product has played for no fewer than 11 teams since he left the Blades in 2009. His last club was Brighton outfit Whitehawk.(Photo by Michael Regan/Getty Images) Photo: Michael Regan
11. Bought: Kyel Reid from West Ham United
The former West Ham man didn't make much of an impact for United, and left after just one season. He was last on the books at Chesterfield. (Photo by Mike Hewitt/Getty Images) Photo: Mike Hewitt
12. Sold: Leigh Bromby to Leeds United
He finished his career at Leeds United, and is now a professional development coach at Huddersfield Town. (Photo by Laurence Griffiths/Getty Images) Photo: Laurence Griffiths