Joe Hart is a Celtic player who wears his heart on his sleeve. He’s as honest as any player can be in his interviews so when he speaks, the fans tend to listen. One of Ange Postecoglou’s first signings in the summer of 2021, Hart brought stability and leadership to a Celtic defence that was devoid of steeliness the season before and the former England international quickly showed what he was capable of in his maiden season for Celtic. In 54 appearances, Hart kept 26 clean sheets in a season where Postecoglou had to rebuild the Celtic first team. [Transfermarkt] And today, Hart paid tribute to …