Joe Hart might be off enjoying his summer holidays but judging by his Instagram the stopper can't get Celtic out of his head.
The former England keeper has proved an inspired signing by Ange Postecoglou and was a big part of getting the title over the line last season.
The 35-year-old was a virtual ever-present and kept 26 clean sheets in all competitions, helping transform a leaky defence into the best in the country.
