Iwobi picked up two assists against Hull City.
Arsenal registered a convincing 4-1 victory over Hull City in their last fixture.
Xhaka scored his first goal for the Gunners from 30 yards out.
Pep Guardiola's side can move five points clear at the top of the table.
Hull City host Arsenal at the KCOM stadium on 17 September.
Mike Phelan named unchanged lineup for opening four games of the season.
France striker picked up the knock during the 1-1 draw with PSG.
Caretaker manager has no new injury concerns in the side that draw with Burnley.
News of Wilkinson's death has been confirmed by his club Shaw Lane.
21-year-old follows Will Keane in making the move from Old Trafford to the KCOM Stadium.
Tigers confirmed the transfer cost more than the £10m they paid for Abel Hernandez.
Fellaini has been one of the regular players under Jose Mourinho.
Chelsea beat Burnley and Tottenham rescue draw against Liverpool on busy day of Premier League football.
Wayne Rooney tees up substitute Marcus Rashford for a dramatic late winner at the KCOM Stadium.
Manchester United and Hull City have won the first two matches of their new campaign.
Everton and Hull City were also reportedly interested in the Italian goalkeeper.
Two sides with 100% records meet at the KCOM Stadium on Saturday.
The 23-year-old limped out of United's Community Shield win over Leicester.
The Swede has impressed since making the switch to Old Trafford earlier this summer.
Chelsea came from behind to beat Watford while Tottenham picked up first win of the season.
Leicester City begin their title defence against Hull City.
The Tigers are yet to sign a single player since their return to the top flight.