Originally published at: Callum McGregor makes Celtic vow after Ange Postecoglou exit
Now that the news has been confirmed that Ange Postecoglou has joined Tottenham Hotspur, there are likely to be many disappointed players in the Celtic dressing room. The majority of the Celtic first team was recruited by Postecoglou so it is only natural that there will be widespread disappointment surrounding his Celtic exit. But Celtic…
