Neither team have any suspensions to worry about but there are injuries afflicting both squads.
Roberto Martinez is without Colombian striker Hugo Rodallega for the visit of Manchester United but it is the away side who have more players on the treatment table.
Midfielder Anderson remains sidelined with a hamstring injury but could return next week. However in better news, Nani and Michael Owen are both expected to be fit for selection for the trip to the DW Stadium.
The Latics have no long-term injury concerns, but Sir Alex Ferguson will have to wait until the summer for the return of Nemanja Vidic and Darren Fletcher. Goalkeeper Anders Lindegaard also remains a long-term doubt.