It’s that time of the year again – the transfer window is now open until September 1 and it’s sure to be a busy period with clubs looking to make big signings ahead of next season. Here are today’s latest developments from Simon Jones and the Daily Mail Sport team…Derry signs new deal before heading out on loan Jesse Derry has signed a new six-year contract with Chelsea prior to joining Sporting Lisbon on loan.The 19-year-old, who made his Premier League debut against Nottingham Forest last season, only to be forced off after a clash of heads with Zach Abbott, had interest from a number of clubs. Jesse Derry (right) has committed his future to ChelseaHe and his agents will travel to Portugal tomorrow ahead of completing terms on his loan.How much is David Beckham set to pocket from his World Cup brand deals? Take on our quiz in our newsletter HERE