Juan Mata has admitted that there were people “freaking out” after the first words a former Manchester United star uttered in the Carrington dressing room. The 36-year-old Spaniard is currently a free agent after he made his exit from J1 League club Vissel Kobe back in January. Juan Mata went on to have brief spells at Turkish side Galatasaray and Japanese club Vissel Kobe after his departure from Manchester United in 2022. The ex-Spain international was one of two major signings for former United manager David Moyes at Old Trafford before the Scotsman was axed from the club in 2014. Mata, who…