Manchester United’s academy was a beacon of shining light last season as Erik ten Hag’s senior squad was ravaged by injuries. Players like Kobbie Mainoo are now established internationals, while debutants like Willy Kambwala showed enough to prove they could have a future at Old Trafford. United’s attention towards bringing their academy at par with their rivals after it had lagged behind has started paying dividends and they are not looking at easing up. Ahead of the start of pre-season, where it is widely expected that a lot of youngsters will travel with the senior team and some might surpr…