Earlier, Osasuna moved four points clear of the relegation zone with a 1-0 win at home to eighth-placed Getafe, while AthleticBilbao all but secured another year in the top flight with a 2-1 win over bottom club Mallorca.
The 29-year-old former AthleticBilbao and Chelsea defender, a 10-time Spain international, could make his debut against his parent club Valencia on Saturday.