Celtic have had their fair share of players over the years who have enjoyed distinguished careers at the highest level in football, before or after pitching up at Parkhead. Henrik Larsson, Virgil Van Dijk and Kieran Tierney are examples of this, though there are plenty of conversations to be had regarding other potential candidates. Out of the current Hoops squad, former England international Joe Hart stands out as a name who has plied his trade on the elite stage. Most famed for his time at Manchester City, the 36-year-old made 348 appearances in total for the reigning Premier League champion…