As the 32 clubs prepare for the fourth round of the William Hill Scottish Cup this weekend, I take a look back at the most famous cup upsets in the history of the competition, which has the oldest trophy in association football.

Current holders Celtic, who defeated Motherwell in the final 3-0, travel to Peterhead on Sunday while Rangers go to Arbroath on the same day. Other notable ties include Heart of Midlothian, seven time winners of the Cup, playing host to Junior side Auchinleck Talbot and Forfar Athletic are at home to Aberdeen who have also won the trophy seven times.

It is important to note that the biggest teams in Scotland now enter at the third and fourth rounds of the competition, whereas before every team started at the first round.

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