Everton are ramping up their pursuit to sign Celtic defender Virgil can Dijk according to various reports Everton have been in the market to sign a new central defender this summer following the departures of Sylvain Distin and Antolin Alcaraz, and it had emerged that manager Roberto Martinez had eyed up a move for Scott Dann and Angelo Ogbonna. However with Dann signing a new deal with Crystal Palace and…