The Portuguese midfielder Danilo Pereira should the world cup to pass. The 26-year-old player from FC Porto has a achillespeesblessure incurred and must be under the knife.
By the operation state Pereira at least four months on the side, making the world CHAMPIONSHIPS this summer in Russia comes too soon for the 27-fold international.
Pereira, who during the 2012-2013 season was for Roda JC, was part of the selection of Portugal, who two years back the European championship won.
The midfielder had to be at that tournament especially satisfying with a place on the substitute bench, but came in the semi-final against Wales (2-0) partly due to suspensions and injuries in action.
Portugal is at the world CHAMPIONSHIPS divided into a group with Spain, Morocco and Iran. The world cup begins on 14 June. The final is on July 15.