Mail Sport understands that the clubs are close to agreeing a deal worth an initial £55million, with a further £7.4m in add-ons, while Gyokeres has agreed a five-year contract.

Manchester United are on the brink of agreeing a deal with Sporting CP for Viktor Gyokeres, desperate to bring him to Old Trafford if his proposed move to Arsenal falls through. The Gunners have identified the Sweden international as their leading transfer target up front and have made huge progress in getting a deal over the line in recent weeks.