1. FC Union Berlin will have to do without goalkeeper Frederik Rönnow and midfielder Andras Schäfer until further notice.
Goalkeeper Rönnow had to be substituted during the half-time break of the Thursday's UEFA Europa League match against Royale Union St. Gilloise, Union's goalkeeper Frederik Rönnow had to be substituted due to a muscular in jury injury.
Midfielder András Schäfer, meanwhile, was able to finish the game but also suffered an injury to his right foot. The 23-year-old Hungarian international will undergo surgery in the coming days and will not be available until further notice.