Leeds have already been linked with Gallar, who has been spearheading a promotion charge at SD Huesca in the Spanish second division this season.
The 25-year-old has five goals and as many assists from 24 league appearances this term and has become integral to their plans of getting into the big time.
If he manages to be part of a promotion winning side, that would only make him more enticing to Leeds, who lack players who know how to climb out of a division.
There are always question marks over how players from other countries will adapt to English football but if he takes to it like Saiz did, he could be a roaring success at Elland Road.
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