ALEXANDER ISAK has not flown to Singapore with his team-mates for Newcastle’s Asia tour.The Swede, 25, has been strongly linked with a big-money move to Liverpool this summer.GettyAlexander Isak has not travelled to Singapore with his team-mates[/caption]Isak did train with his team-mates during a pre-season camp in Austria earlier this month.Newcastle have revealed that the striker will miss out on their Asia trip due to a “minor thigh injury”.With Toon chiefs desperate to keep Isak despite Liverpool’s £120million interest, the Reds moved on by signing former Magpies target Hugo Ekitike in a mega £79m deal from Eintracht Frankfurt.Isak has three years remaining on his contract at St James’ Park.Previous co-owners Amanda Staveley and Mehrdad Ghodoussi are understood to have promised the forward an improved package prior to their departure.Amid a tricky PSR landscape, new Toon sporting director Paul Mitchell is said to have shelved those contract plans, leaving Isak and his camp disappointed.Isak earns around £130,000 a week at Newcastle.SunSport understands that the prolific striker’s camp is coveting a new deal for their client worth around £300k a week.Mitchell and Co, however, decided that Isak is well paid as it is and that his Toon future is secure given that his contract runs until 2028.Further talks were scheduled for this summer, but are not thought to have yet taken place amid Liverpool’s previous interest.THIS IS A DEVELOPING STORY..The Sun is your go to destination for the best football, boxing and MMA news, real-life stories, jaw-dropping pictures and must-see video.Like us on Facebook at https://www.facebook.com/TheSunFootball and follow us from our main Twitter account at @TheSunFootball.