Galatasaray have been sending Tottenham Hotspur a clear message ahead of the Europa League clash in Istanbul. Spurs make the trip to Turkey on Thursday for their fourth Europa League clash of the campaign and are looking to maintain their perfect start to the competition. Ange Postecoglou’s team have already recorded wins over Qarabag, Ferencvarosi and AZ Alkmaar, however, they are now facing their toughest test against the Turkish giants. Ahead of the match, the Lilywhites have been warned about what they can expect when they arrive at Rams Park on Thursday evening. Galatasaray’s clear messag…