The Champions League has the ability to throw up some special and memorable nights for the Celtic fans. Whether Celtic play home or away, there have been some superb results since the club first qualified for the tournament back in 2001. Celtic fans were used to the club underperforming in Europe during the late 80s and throughout the 90s but the arrival of Martin O’Neill changed that in 2000 as he steered the club to the newly formatted Champions League group stage in 2001. Since then, Celtic have enjoyed some magical nights in the competition against the likes of Juventus, Ajax and Benfica. …