Borussia Dortmund are likely to face sanctions after displaying a banner reading “UEFA Mafia” before Tuesday’s Champions League tie with Celtic.
The nine individual letters spelling out the message were held up by supporters in the ‘Yellow Wall’ at the Westfalenstadion, accompanied by a second banner which read, “You don’t care about the sport — all you care about is money”.
Dortmund fans displayed a third banner promoting the website “Reclaim the Game”, a blog detailing supporter criticism towards the new Champions League reform.
As is UEFA protocol,...