Decision for the England international to go under the knife was made last week, club reports.
Uefa's Pierluigi Collina also said they also need to tackle "overreactions" by players and club staff.
Out-of-favour Adebayor has not been assigned a squad number for the 2015/16 campaign.
Aldo Simoncini will be hoping to keep a clean sheet when San Marino face England on 5 September.
In another blow, Louis van Gaal has left goalie out of the Champions League squad.
Ibrahimovic has scored 28 goals in 38 starts in all competitions last season and is an integral part of the PSG team.
Forwards Bertrand Traore and Kenedy included in European ranks.
Vice-president Vadim Vasilyev claims Ligue 1 outfit rejected four offers before finally agreeing price.
Daniel Sturridge is yet to join first-team training, which rules out a comeback any time soon.
Theo Walcott believes that he will be deployed across the front three this season.
Spaniard confident he has made the right decision by leaving Barcelona for Stamford Bridge.
Roy Hodgson's side drop two places to 10th while Wales remain ninth ahead of Cyprus trip.
England goalkeeper Butland was speaking ahead of Euro 2016 qualifiers against San Marino and Switzerland.
Victor Valdes misses out as his United exile continues.
Louis van Gaal has included David de Gea in United's squad for the Champions League.
Del Bosque recently admitted his disappointment with the striker's performance at a national level.
Barcelona midfielder Ivan Rakitic won the treble in his first season.
Sam Johnstone was linked with a move back to his hometown club Preston North End.
Sol Campbell has backed Arsenal summer signing Petr Cech to come good throughout the course of the season.
Allan Rodriguez de Souza has been immediately loaned out to Seinajoen Jalkapallokerho until January.
Spurs failed with four bids to sign the striker from West Brom.
Fekir also downplayed Anthony Martial's huge price tag.
French boss says no players on market could have improved The Gunners.
Green appeared in court along with Craig Whyte and David Whitehouse over fraudulent purchase claims
The striker insists his meeting with Atletico Madrid chief was just a coincidence.
Palace had been hopeful of sealing a deadline day move for the Championship defender.
United's new number nine says he feels no pressure as Premier League bow looms.
The 23-year-old moves to the County Ground on a permanent basis after loan spell in 2013-14.
Mata says team-mate De Gea will know how to put his failed transfer to Real Madrid behind him.
De Gea and Keylor Navas joint deal collapsed as the necessary paperwork did not arrive with La Liga on time.