Originally published at: Before Liam Scales: how 5 Republic of Ireland internationals fared at Celtic
If you wanted to go all the way back decades, Celtic have had so many Ireland internationals through their history that we could write volumes. From the likes of Packie Bonner to Sean Fallon to Tony Cascarino and Roy Keane, so many have pulled on the green of Ireland and the Hoops. In recent years,…