The central defender was called up to the England U17s squad when he was just 14 and Humphrey's captained the England U16s in Victory Shield. If he continues this kind of radical progress then there is no reason why he can't break into a Premier League side's first team in the next couple of years. If he decides to stay at the Eithad then he will have the benefit of training in Manchester City's luxurious £200 million training complex as well as having regular tuition from club captain Vincent Kompany.