A much-improved Manchester United scrapped with Arsenal but fell victim a goalkeeper error in a 1-0 season-opening loss at Old Trafford on Sunday.

Manchester United manager Ruben Amorim believed Arsenal’s winning goal in the teams’ Premier League match at Old Trafford on Sunday should have been disallowed for a “clear” foul in the buildup.

Man Utd vs Arsenal player ratings | What JPW learned at Old TraffordAmorim will have wanted to win but will feel his team did enough to get a result were it not for Altay Bayindir's dreadful moment defending a corner after just 13 minutes.

They are going to have to splash out more than the £201million spent on the three forwards if they are to drastically improve on last term’s 15th place in the final reckoning, with a new man to stand between the posts the main priority this transfer window.

Manchester United lost to Arsenal in their opener on Sunday but Ruben Amorim remained full of optimism and said his rebuilt team can now beat anybody in the Premier League as the club try to put last season's woeful 15th-place finish behind them.