Celtic boss Ange Postecoglou was disappointed with his side's display in their 6-2 friendly defeat at home to West Ham.
Celtic boss Ange Postecoglou was disappointed with his side's display in their 6-2 friendly defeat at home to West Ham.
Clips of the incident between the former Celtic gaffer and his own fan surfaced on social media.
Speaking after the 2-1 defeat to Hearts, Celtic manager Ange Postecoglou admitted he was left frustrated by the quality his side..