Paterson scored the winner in last week’s win against Middlesbrough but has not fully recovered after picking up a recent hamstring problem.
Famara Diedhiou (knee) has returned from France following a period of rehabilitation, although the Senegal striker will not be involved yet.
Callum O’Dowda (ankle), Eros Pisano (hamstring), Jens Hegeler (knee) and Gary O’Neil (knee) also remain out, while Milan Djuric is set to undergo groin surgery.
Midfielder Korey Smith has said he’s relishing the trip to South Yorkshire, he told the club’s website: “It should be a great game! Sheffield United have been absolutely brilliant this year and fair play to them, they have really continued their form from last season. They have great players who work hard, as we do, so it should be an entertaining game.”
Michael Jacobs struck in stoppage time as Wigan got their League One promotion bid back on track with a 1-0 win at Bradford.
Lionel Messi punished error-prone Chelsea as Barcelona advanced to the Champions League quarter-finals with a 3-0 win at the Nou Camp.
AC Milan boss Gennaro Gattuso believes Jack Wilshere would grace any league in world football.
Daniel Candeias says he is desperate to kick-off his Rangers medal collection after pledging his future to the Ibrox side until 2020.