Ruben Amorim makes Man Utd transfer promise as Sporting panic over Viktor Gyokeres
At the same time, United have their sights set on Sporting's 17-year-old prodigy Geovany Quenda, having scouted the winger before they committed to hiring Amorim. But similar to the situation with Gyokeres, United could prove powerless if other suitors table a sufficient bid in the January window.