New United manager David Moyes would ideally like to bring both the Barcelona midfielder and Borussia Dortmund’s Poland striker to the club before his squad departs on a tour of Asia and Australia in the middle of next month.
It is understood both players have expressed an interest in joining the Barclays Premier League champions and United feel they can do the deals.
Double strike: Man United believe they can land Cesc Fabregas and Robert Lewandowski (below)
Lewandowski is keen to move to England after his hopes of a switch to new European champions Bayern Munich were dashed this week.
United have been tracking the Polish star for months and believe he could provide genuine competition for Robin van Persie, who will be 30 shortly before the start of the club’s title defence begins in August.
Challenge: Robin van Persie could do with a tough challenge for his starting berth at Man United
Meanwhile, United goalkeeper David de Gea is relishing the chance to work with Moyes after getting over the ‘surprise’ of Sir Alex Ferguson’s retirement.
De Gea, who is in Israel helping Spain’s bid to retain their European Under 21 crown, is confident former Everton boss Moyes can seamlessly take over from Ferguson.
‘Of course I am looking forward to the new season,’ said De Gea.
‘It was a surprise to us all that Ferguson left. But we know that when we get back to training Moyes will be there and it is going to be a pleasure to work with him.
'But we know that when we get back to training he (Moyes) will be there and it is going to be a pleasure to work with him.'
Making his mark: David Moyes would love to capture big stars and make an instant impact at Old Trafford
Leaving? Wayne Rooney has been linked with a move away from Manchester United
Spain secured their place in the semi-finals with a game to spare, having followed up an opening day victory over Russia by beating Germany on Sunday.
'It was very important,' De Gea said of the 1-0 win against Germany.
'We are into the semi-finals again and we are very happy with that.
'They are all good teams when you get to this stage of a tournament, they all have a lot of quality.
'It will be difficult whoever we face. We have had two tough games and, thankfully, we have been lucky enough to get through.'
Safe hands: David de Gea makes a save against Germany
England Under 21s exited that tournament at the group stage and have suffered the same fate again in Israel after defeats by Italy and Norway - something that shocked De Gea.
'I'm surprised with England as I would have expected them to have put up more of a fight and win more points,' he said.
'I thought they would have been in the semi-finals, but that is football. Sometimes these things happen.
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