Some sources claim Monaco would demand a?£129m fee – which would steamroller the world record set by Paul Pogba when he moved from Juventus to United for £89m last summer. Getty Images5Ander Herrera concedes David de Gea could leave Manchester United this summerIt is a de. Silva has followed a number of high-profile Portugal stars to the tiny French principality thanks to super-agent Jorge Mendes ties to the club. ugely popular among United fans, the decision left the Old Trafford faithful baffled – especially since he has gone on to net 38 goals in just 73 matches for his new side. fixtures, results and live match commentaryThat has opened the door for City, with reports in France suggesting that they are willing to cough up £40m to beat their rivals to his signature. That price will be more than justified if he replicates his form at youth level for Flamengos first team. And Hererra concedes that his pal could be on his way out of Old Trafford. “No matter how long I stay, I will be committed, completely focused as long as I stay at the club. Junior has netted 17 goals in 18 appearances for Brazils Under-17 side – a record which is sure to catch the attention of Selecao coach Tite before too long. A:Press Association4Jurgen Klopp is set to intensify his interest in Michael Keane with the hope of signing him this summerPA:Press Association4Burnley are looking for a fee of around £20million for defender Michael KeaneAnd Keanes former side Manchester United, who have a sell-on clause, could also make an effort to bring their academy product back to Old Trafford.