The big boys have entered the Scottish Cup as the road to Hampden picks up pace.
But there will be plenty of lower league sides out to claim a scalp on Saturday as ties take place around the country.
Hearts travel to a junior side with a knack for causing an upset in the shape of Auchinleck Talbot, while cup holders St Johnstone face a daunting trip to League Two leaders Kelty Hearts.
Celtic are no stranger to a banana skin and will be wary of visiting Alloa Athletic, as will Raith Rovers of North Super League side Banks O’ Dee.
Here, in pictures, we look back at some of the most famous Scottish Cup shocks of them all.
Berwick Rangers 1-0 Rangers – First round, 1967
SNS GroupRangers 0-1 Hamilton Accies – Third round, 1987
SNS GroupStenhousemuir 2-0 Aberdeen – Fourth round, 1995
SNS GroupCeltic 0-1 Falkirk – Semi-final, 1997
SNS GroupCeltic 1-3 Inverness Caley Thistle – Third round, 2000
SNS GroupClyde 2-1 Celtic – Third round, 2006
SNS GroupAlbion Rovers 1-0 Motherwell – Fourth round, 2013
SNS GroupInverness Caley Thistle 3-2 Celtic – Semi-final, 2015
SNS GroupAuchinleck Talbot 1-0 Ayr United – Fourth round, 2019
SNS GroupBrora Rangers 2-1 Hearts – Second round, 2021
SNS GroupAuchinleck Talbot 1-0 Hamilton Accies – Third round, 2021
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