article_snippet: The Magpies have left The Magpies desperately short of defensive cover and, with Steven Taylor and Paul Dummett sidelined because of injury until the summer and skipper Coloccini suspended, only Mike Williamson remains as a recognised central defender.
article_snippet: Newcastle - who sold defenders Mapou Yanga-Mbiwa and Davide Santon in the January window -  failed in their bid to overturn Coloccini’s red card from Sunday’s 3-0 defeat at Everton.
article_snippet: The Argentine was dismissed following a lunge on Aaron Lennon and will now serve a three-game ban.
article_snippet: That rules Aaron Lennon out of the Tyne-Wear derby at Sunderland on Easter Sunday, as well as testing fixtures with Arsenal and Liverpool.
article_snippet: The Newcastle captain (left) was sent off for a dangerous tackle on Aaron Lennon on Sunday .
article_snippet: The Dutch international has been one of Newcastle's most consistent performers so far this season .
highlights_snippet: Newcastle face Sunderland on April 5 in game which will test Daryl Janmaat .
  
highlights_snippet: Coloccini set to miss the next three games after appeal was rejected .
  
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