Borussia Mönchengladbach have entered the competition alongside Celtic and...
https://wiki-neon.win/index.php/Is_a_%E2%82%AC5m_Clause_Something_Feyenoord_Can_Afford_Easily%3F
Borussia Mönchengladbach have entered the competition alongside Celtic and Feyenoord for Hertha BSC goalkeeper Tjark Ernst