A nailing-biting 3-3 draw was played out in normal time before Michael Gray’s penalty miss cruelly dealt the Black Cats a 7-6 defeat on penalties.
It has been labelled as one of the greatest finals in play-offs history, so scroll and click through as find out where each SAFC player to appear that day is now:
13. Alex Rae
The 50-year-old managed St Mirren before Jack Ross succeeded him in 2016. He hasn’t returned to the hot seat since, instead taking on punditry work. Photo: Graham Chadwick
14. Danny Dichio
Dichio swapped the UK for Canada in 2009 - ending his career at Toronto FC. He is now head of the MLS club’s academy set up. Photo: Clive Brunskill