Alan Smith's brace, added to by Mark Viduka and Ian Harte set up a last eight encounter with Deportivo La Coruna in a famous campaign for David O'Leary's men.
And we've taken a trip down memory lane to find out where each player who featured that night in Belgium are now. Scroll and click through the pages:
1. Nigel Martyn
The 53-year-old swapped football for cricket following his retirement in 2006. He recently wore the colours of Leeds Modernians in the Airedale & Wharfedale Senior Cricket League. | Getty
2. Danny Mills
Mills has worked for the likes of Sky Sports, BBC and TalkSport as a pundit and also works in business equity. | Getty
3. Dominic Matteo
The 45-year-old hit the headlines in December after receiving life-saving surgery on a brain tumour at Leeds General Infirmary. | Getty
4. Rio Ferdinand
Like Mills, Ferdinard has also stepped into the broadcasting industry, often appearing on BT Sport. Away from football, he owns clothing company #5. | Getty
5. Ian Harte
The 42-year-old is now a football agent and most notable represents former Leeds players Jack Clarke and Tyler Denton. | Getty
6. Eirik Bakke
Bakke is settled back in his homeland of Norway and has entered his fifth year as head coach of Sogndal FC, who play in the second-tier. | Getty