The 23-year-old midfielder has turned in a series of impressive performances in La Liga this season, attracting interest from a host of European clubs.
Barrada has a £17million release clause written into his current contract, so his admirers know exactly what it will take to sign the Morocco international.
Gunners boss Arsene Wenger is rumoured to be keen on bringing the player to the Emirates Stadium when the transfer window reopens this summer, but will face stiff competition for his signature.
Andre Villas-Boas is also understood to be monitoring Barrada's situation as he weighs up a bid to lure him to White Hart Lane.
However, Arsenal and Spurs now face rival interest from Russia, with Lokomotiv plotting to steal a march on the Premier League duo.
Barrada has been capped nine times by his country, and is keen to test himself at a bigger club, with the opportunity to play European football - something that will be on offer in north London next season.
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