The former QPR man is out of favour at Valencia, where he has failed to settle since joining in the summer from Getafe, and he has only featured for the side twice so a move looks to be on the cards.
He is currently discussing his options with his representatives but a loan move in the New Year looks to be the most likely and David Moyes will be hoping he can land the player ahead of Martin Jol at Fulham.
Arsenal have also been linked but, having signed Mikel Arteta from Everton in the summer, their interest has waned.
A goal apiece from James Tomkins and Luka Milivojevic handed Crystal Palace a crucial 2-0 win over Huddersfield at the John Smith's Stadium on Saturday evening.
Manchester United bounced back from their Champions League exit as they beat Brighton 2-0 at Old Trafford on Saturday night to reach the FA Cup semi-finals.
Tottenham reached the FA Cup semi-finals after they cruised to a 3-0 victory over Swansea in their quarter-final clash at the Liberty Stadium on Saturday.
Premier League basement club West Brom squandered the lead as they suffered a 2-1 defeat to Bournemouth at the Vitality Stadium on Saturday.
Chesterfield boss Jack Lester felt his side were unlucky not to claim all three points after their 1-1 draw at Cheltenham.
New Swindon manager Phil Brown revelled in his side's victory at Cambridge in his first game in charge.