While Manchester United might not have developed as they would have liked over the last 12 months, no one could accuse Erik ten Hag of failing to improve many of the players at his disposal. Alejandro Garnacho and Kobbie Mainoo were youth-teamers when the Dutchman arrived from Ajax back in 2022. It is testament to the faith and the patience Erik ten Hag has shown in the jewels of Manchester United’s Carrington crown that last season’s FA Cup final victory over rivals Man City was secured by goals from two players he helped become regulars in the starting XI. Toby Collyer has impressed Man Unit…