Marc Overmars Warns Former Club Barcelona That Young Ajax Starlet Is 'Not for Sale' This Summer

​Ajax director of football and former ​Arsenal legend Marc Overmars has warned La Liga giants ​Barcelona that a number of his players, including promising young player Frenkie de Jong, are not for sale under any circumstances.  The Catalan giants are reportedly interested in signing the youngster, who managed seven assists in 22 Eredivisie appearances last season, but have so far been unable to make any progress in signing the 21-year-old. Overmars, who excelled for both Arsenal and Barcelona... Via All the latest breaking football news, transfer rumours, analysis, and match reports - 90min http://www.90min.com/