The station station report that Van Gaal has reportedly sent scouts to see Çalhanoğlu in action and he is now considering a January move.
Arsenal and Serie A giants AC Milan are also reported to be interested in the 21-year-old play-maker.
Çalhanoğlu is regarded as being one of the best set-piece specialists in world football.
Pep Guardiola recently revealed that he is a fan of the free-kick maestro, “Çalhanoğlu is one of the best free-kick takers in the Bundesliga.”
Çalhanoğlu is the sixth most valuable U-21 player in the world according to a recent study conducted by Soccerex.