Jorge Mendes, who engineered the Leny Yoro and Manuel Ugarte deals to United, was the intermediary on Quenda, alongside agent Igor Campedelli. To this end, United sources, kept anonymous to protect relationships, have said they are relaxed over the turn of events.

Chelsea have agreed a deal to sign a second Sporting Lisbon star with midfielder Dario Essugo agreeing to a move to Stamford Bridge this summer. The Blues swooped on Friday to wrap up a deal to sign Geovany Quenda – the highly-rated 17-year-old who Ruben Amorim was desperate to bring to Manchester United.

Chelsea have agreed a deal in principle to sign Sporting winger Geovany Quenda. The 17-year-old is expected to sign a seven-year deal at Stamford Bridge with an option for an extra season after a fee of about £40m was agreed.