Michael Oliver is so biased against Arsenal that he's now giving "soft" decisions against former Gunners players in the Champions League.
Granit Xhaka has become the latest person to criticise English referee Michael Oliver after a penalty decision in Bayer Leverkusen’s midweek defeat to Bayern Munich.Photo by Shaun Botterill/Getty
Michael Oliver's refereeing decisions have sparked fresh controversy, this time in the Champions League, with former Arsenal midfielder Granit Xhaka accusing the official of bias and inconsistency.