David De Gea concerned by Man Utd’s form despite a ‘massive’ win over Norwich

David De Gea played his part with important saves as Manchester United beat Norwich (Martin Rickett/PA)

David De Gea’s delight at Manchester United’s “massive” win in the race for Champions League qualification came with a warning that they are still not performing well enough to finish in the top four.

Last weekend’s embarrassing 1-0 loss at struggling Everton left the seventh-placed Red Devils six points off the pace and Ralf Rangnick admitting it would be “very difficult” to reach European football’s top table.