article_snippet: The 31-year-old Argentinian has been used as a substitute in the Magpies' last two games after The 31-year-old Argentinian return to the squad following a successful battle against testicular cancer.
article_snippet: However, as head coach John Carver prepares for Saturday's Barclays Premier League fixture against Arsenal at St James'
article_snippet: I was playing in different positions because we had problems with injuries. '
article_snippet: Skipper and close friend Fabricio Coloccini will miss the next three games after failing in a bid to have the red card he received at Everton on Sunday overturned on appeal, and with Steven Taylor and Paul Dummett out for the rest of the season through injury, Mike Williamson is the club's only recognised senior central defender.
article_snippet: Bringing Jonas on wasn't sentimental - Carver .
article_snippet: That could mean a move inside for right-back Daryl Janmaat against the Gunners, and with the Dutchman
article_snippet: Colo is banned for three games.
highlights_snippet: Mike Williamson is the club's only recognised centre back for the game .
  
highlights_snippet: Argentine has made two substitute appearances since returning to side .
  