The reported falling-out between Atletico's Joao Felix and manager Diego Simeone has seen ears pricked across Europe, but particularly England.
Erik ten Hag has made public his desire to bring a striker to Old Trafford, while Chelsea haven't quite replaced Romelu Lukaku and Timo Werner, despite their misfortunes last season, with Pierre-Emerick Aubameyang smacking of a desperation signing arriving just before the summer window closed.
Arsenal, too, may be in the hunt for a forward with Gabriel Jesus's injury.
Graham Hunter looks at the Portugal star and what his next steps may be.