Joe Hart owns blunder that cost Celtic in Leipzig, but says it is the payoff of sticking to Ange Postecoglou’s principles

CELTIC goalkeeper Joe Hart has held his hands up to the blunder that gifted RB Leipzig a goal at a crucial juncture in their 3-1 defeat in the Red Bull Arena, but says that is the price of playing football the way that manager Ange Postecoglou wants to...