Arsenal set for key Bruno Guimaraes update with talks expected over £80m transfer

However, Newcastle are determined to keep hold of Guimaraes and insist no club-to-club talks have taken place yet.It is understood that it would take a fee of around £80million for the Magpies to enter into negotiations with Arsenal.Players are given a mandatory 21 days off over the summer. That takes Guimaraes up to this weekend and means this is his final week of holiday before his attention turns back to club matters.He is expected to report back at Newcastle for the start of his pre-season next week.Bruno Guimaraes missed a penalty in Brazil’s World Cup loss to NorwayAFP/GettyAs it stands Guimaraes will then be involved in Newcastle's training camp in La Manga, starting on July 31, and he could then play against Valencia on August 8.Arsenal will also be in Spain next week. They take on Girona on August 1 in the first official pre-season friendly of the summer.Read MoreNewcastle will hope there is no repeat of the saga involving Alexander Isak last summer.The striker eventually joined Liverpool, but not before he had a stand-off with the club and trained away from the first team for weeks.