Here's how the Blades could line up for the big game...
5. CM: John Fleck
The Scotsman is likely to start in midfield, as Wilder's tried and trusted midfield general. Photo: Ashley Allen
6. AM: Luke Freeman
The set-piece wizard will be the one to watch, as he makes his non-competitive debut for the Blades. However, he may be given the second 45, with Mark Duffy starting instead. Photo: Harriet Lander
7. ST: David McGoldrick
The 31-year-old defied all expectations of his quality when he scored 15 goals for the Blades last season, and should start the match. Photo: Nigel Roddis