The Norwegian's side clocked up a nine-match unbeaten run in pre-season, and will face Blackburn Rovers at the Marston's Arena on Thursday evening.
Ahead of Foster, a familiar-looking defence of Rafael da Silva, Richard Eckersley, James Chester and David Gray lines up, with Fabio da Silva ruled out by a shoulder injury.
Darron Gibson, Rodrigo Possebon, Danny Drinkwater, Sam Hewson and Tom Cleverley comprise a strong midfield, who will try to get forward in support of lone striker Danny Welbeck.
Tonight's match is live on MUTV, with coverage beginning at 6:30pm. Fans wishing to attend the game can purchase tickets on the turnstiles, priced £5 for adults and £2 for concessions, with free entry for season ticket holders.
United: Foster; Rafael, Eckersley, Chester, Gray; Gibson, Possebon, Drinkwater, Hewson, Cleverley; Welbeck.
Substitutes: Zieler, Stewart, Eikrem, C Evans, Macheda.