Referee Craig Thomson and his close-at-hand assistant might not look back fondly on their afternoon at Tannadice.
Thomson appeared to send off the wrong Dundee United player, Paul Paton, after ugly scenes broke out in the match against Celtic.
Paton's team-mates Nadir Ciftci and Calum Butcher could have had no complaints had they been red-carded, with bystander Paton apparently a wholly innocent party.
The whole mess reminded us of these infamous officiating decisions:
Hugh Dallas, Spain v Czech Republic
Scotland's former FIFA referee admitted heRead More »from Mistaken identity red card in Dundee United v Celtic - but these referee blunders were even worse