Advent Calendar #4: Celebrating Billy McNeill

… we give you six of the best centre-back’s to play for Celtic.

Players that hold the defence together and make sure everyone is doing their job – while proving to be a nuisance for strikers to get past.

There’s also one very famous Celtic player included, he is amongst the all-time greats in Celtic’s history.

You can also check out day one, two and three below.

Five of the best goalkeepers to play for Celtic.

Five of Celtic’s best right-back’s.

Four of Celtic’s best left-backs.