article_snippet: Although five points clear, some chinks in Jose Mourinho's side's armour were bared for the world to see on Wednesday.
article_snippet: Every back page in the country on Thursday morning showed Chelsea players surrounding the referee before being dumped out of Europe.
article_snippet: Chelsea players surrounding the referee before being dumped out of Europe surround the referee before Zlatan Ibrahimovic was sent off during the hot-tempered affair .
article_snippet: Branislav Ivanovic, Gary Cahill and Diego Costa have all sparked nationwide debates with on-pitch antics, while Mourinho’s famed siege mentality has manifested Mourinho’s famed siege mentality in fairly ugly ways as the campaign has progressed.
highlights_snippet: Mourinho's side have come under criticism for Petr Cech and Thibaut Courtois on-pitch conduct .
  