Clyde 2 - 1 Celtic Scottish Cup: Roy Keane had a Celtic debut to forget as the Bully Wee stunned the holders to move into the last sixteen.

Clyde 0 - 5 Celtic Juninho lit up a town once labelled the ugliest in Britain, as Celtic were flattered by a scoreline that included Craig Bellamy's debut goal.

Cup shocks tend to be the product of a loss of purpose by the victims, as opposed to the creativity of the perpetrators. In this regard, Hearts, the 2-1 on favourites, were the very essence of professionalism.