Though Rayo's involvement so far may appear to be primarily for commercial benefit, Marcina said that he is not ruling out players from the Spanish club joining Rayo OKC in the future.
With the Bosman ruling the player holds the cards.
Senegal boss Alain Giresse is still monitoring the fitness of Southampton midfielder Sadio Mane, despite Saints boss Ronald Koeman ruling the player out of the tournament with a calf injury.
But if that decision went for the home side, they were soon rueing the referee's judgment when he disallowed Nsue's delightful long-range lob, this time ruling the player to be offside when he appeared to be onside.
Williamson scored it, but German official Marija Kurtes ruled it out after ruling some England players had encroached into the 18-yard box.
Reports in Australia suggest he could earn almost £700,000 a year if he signs for Souths again, making him the NRL's highest paid player, but Leeds have the advantage of the newly introduced marquee player ruling in Super League for next year to aid their pursuit of the dual-code international.
Thomson had awarded the penalty, converted by Scott Vernon, after ruling the Dons player was fouled by Ivan Sproule.
But in a classic piece of reverse Ferguson psychology, the manager applied pressure on both the player and his club, while seemingly ruling out buying a player he badly wants.
