There were times last season when Manchester United’s frontline almost picked itself. With Jadon Sancho out of the picture, Antony out of form, and Amad Diallo yet to win the trust of Erik ten Hag, Manchester United went into most games with an nailed-on front free of Marcus Rashford, Rasmus Hojlund and Alejandro Garnacho. The lack of quality depth available to Ten Hag could hardly have been more stark than during that 2-1 home defeat by Fulham in February. A game in which Omari Forson was thrown in at the deep end. Six months on, and with Fulham due to travel to Old Trafford again, Man United…