More recently , the Orthodox Brothers have started to include fans of Spartak Moscow in their club .
Usually , Olympiacos supporters from several fan - clubs attend Red Star 's matches , especially against their old rival Partizan , and vice versa .
More recently , the Orthodox Brothers have started to include fans of Spartak Moscow in Olympiacos ' club .
Usually , Olympiacos supporters from several fan - clubs attend Red Star 's matches , especially against their old rival Partizan , and vice versa .