United took the lead shortly after the break through Juan Mata, who hitherto had struggled to influence the game and later made way for the cavalry. This was his 50th goal in the Premier League, his 17th for United and should have been the catalyst to a performance of substance. It was, but not by United. It was symptomatic of his display that Rooney should start the Swansea ball rolling, surrendering possession with a casual pass in the attacking third. The excellent Williams swept the ball wide to Gylfi Sigurdsson advancing into space down the right. United were left flat-footed with Chris Smalling, one of the few positive contributors to United’s season – along with Luke Shaw – caught out of position by Rooney’s mistake. Sigurdsson crossed early, finding the head of the excellent André Ayew, who had no trouble guiding the ball past Sergio Romero. Five minutes later Swansea were ahead. This time Ayew was the architect, picking out Bafétimbi Gomis with a smart...