article_snippet: The home side surrounded referee Bjorn Kuipers who duly produced a red card -- the fourth of the Swede's often controversial career in the Champions League.
article_snippet: Bjorn Kuipers was in the spotlight again as the half came to a close --
article_snippet: a mazy run from striker Diego Costa ended when Bjorn Kuipers was felled by PSG's Uruguayan forward Edinson Cavani.
article_snippet: After a 0-0 draw in the first leg in Ukraine, Shakhtar's task became an uphill one inside four minutes when Olexandr Kucher was dismissed for bringing down Mario Götze inside the penalty area.