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 outmanoeuvred Manchester United to snap up Geovany Quenda by being willing to accept more of Sporting CP's demands.

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.