Blaze BDix, Facebook: Great timing and good management. The boss did well.
swagdude40, Instagram: Yes! Fantastic news.
Chuks Enuel Onuoha, Facebook: The greatest news for me irrespective of what happens later today against Southampton.
@BizzyH_7, Twitter: Hearing Adnan Januzaj has signed a five-year contract has made my entire week.
@Pauloh_08, Twitter: Good news to hear Adnan Januzaj signs new deal. That's what United is about - grooming young talents. GGMU
Adepetun Akinfolarin, Google+: Congratulations Adnan Januzaj. Wishing you a successful playing career at Man United.
Phil Rowbottom, Facebook: Very excited. That’s fantastic news. A lot of other big clubs had made no secret of their interest. He's going to have a brilliant future at United. Well done to the club for getting the deal done.
Anthony Tang, Google+: Glad to hear Januzaj has signed a new contract with Man United. He'll be another great player for us.