(Photo by Geoff Stellfox/Getty Images)Pre-season can be an ideal time for young players to impress their manager/head coach, and one teenager at Liverpool seems to have done just that over the past fortnight. DOWNLOAD THE OFFICIAL EMPIRE OF THE KOP APP FOR ALL THE LATEST & BREAKING UPDATES – STRAIGHT TO YOUR PHONE! The journalist added that the Liverpool youngster ’caused Leeds a stack of problems’ in the first half in Chicago on Sunday and that, ‘with the stepovers and the burst of pace, Ngumoha is a delight to watch.’ The Reds have three more friendlies to come before the Premier League season begins, so a lot could still happen between now and then. For now, though, the teenage sensation seems very well-placed to make the starting XI at St James’ Park in 19 days’ time.