Can Magpies risk losing 'most important' player?

Newcastle do not want to lose Bruno Guimaraes and the club are adamant he is not for sale.It is understood Arsenal have not yet made an approach.Outsiders may coldly argue that this is the time for Newcastle to sell Guimaraes, given he turns 29 in November.But Guimaraes is Newcastle's captain and talisman.Such is his quality, he went top of the World Cup assists leaderboard by teeing up Gabriel Martinelli's late winner against Japan. A fourth assist in four games, at the highest level. This is t