Orban will miss Saturday’s trip to champions Bayer Leverkusen and the following match at home to Union Berlin after the international break.
Arsenal plays Premier League leader Liverpool on Sunday and manager Mikel Arteta did not say if Odegaard would be in contention for that game.
There was fresh frustration for the Dutchman, now in his third campaign at Old Trafford, when United were held to a 1-1 draw at home to lowly-ranked FC Twente in
Maresca, whose side face Manchester United on Sunday, said Lavia and Caicedo had not locked down the midfield.
Guardiola, who led City to an unprecedented fourth title on the bounce, will be without star Spanish midfielder Rodri for the opener against the Blues after the 28-year-old was ruled