Manchester United fans dropped their telling verdicts on Mason Mount after his performance in the 1-0 pre-season defeat against Rosenborg on Monday. Mason Mount arrived at Old Trafford last summer after Manchester United agreed to sign him from Chelsea for a £55m fee, with a further £5m included in add-ons. The 25-year-old former Chelsea star inherited United’s legendary No 7 shirt, but Mount had an underwhelming debut season at Old Trafford. Mount only managed 20 appearances across all competitions for United and scored once and registered a single assist in the 2023-24 season. However, the E…