The Red Devils are desperate to keep De Gea at the Theatre of Dreams, but know they will have a fight on their hands as long-time admirers Real Madrid, who nearly signed the keeper in 2015, remain heavily interested in the player, who is also said to have a lifelong dream of playing for Los Blancos.
With this in mind, United themselves have been looking for replacements for De Gea.
Romero, 30, has next season plus the option for a further year on his current contract.
United signed him fro Atletico Madrid in 2011, and he almost moved to their bitter rivals Real in 2015 before botched paperwork scuppered the deal.
In De Gea's absence, Romero showed all of his qualities against the Saints on Wednesday evening as he was awarded the Man of the Match award for his performance, which included a penalty save.
GST Council meet from today to fix rates on goods, services
Services are likely to be placed in two slabs of 12 per cent and 18 per cent, with a likely status quo for now exempted services. The tax rate on gold has not been finalised yet, he said, adding that the Council will meet again on June 3.
He said: "I played one year with Gabbiadini in Sampdoria in Italy and a lot of training".
If that is the case, he should be playing one of the world's top goalkeepers in the final against Ajax next Wednesday. "The most important is the club and the fans and we will go there in Stockholm to win". Sergio Romero has been great and I think he is a very good worldwide goalkeeper and he has to stay.
"And now with the confidence that Jose gives me, the confidence the players give me and the confidence I have, this is very important and I will try and do my best for for the team".
However, it appears as though he isn't the only goalkeeper being linked with a move to Man Utd this summer, as the Manchester Evening News claim that Benfica's Ederson is also on the transfer shortlist.
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