As Manchester United stunned Man City at Wembley to maintain Erik ten Hag’s trophy-a-season average at the Red Devils, it felt fitting that Alejandro Garnacho and Kobbie Mainoo scored the goals that brought silverware home to Old Trafford. In a campaign in which many of Manchester United‘s senior stars have fallen below their usual standards, the latest crop of Carrington graduates puffed out their chests and once again defied the words of Alan Hansen, 30 years on from the emergence of ‘Fergie’s Fledglings’. ‘Ten Hag’s Tots’ – Garnacho and Mainoo – put United 2-0 up at half-time with a pair of…