The 27-year-old striker is enjoying an excellent season so far.
De Tomas has six goals and two assists this term, with Fijaches claiming that he has been a sensation so far.
The source also suggests that de Tomas is a target for both Spurs and Leeds.
Any move for de Tomas is likely to happen in the summer, as Espanyol would demand a mega fee to release such an important goalscorer mid-season.
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