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.
2. Danny Mills
Mills has worked for the likes of Sky Sports, BBC and TalkSport as a pundit and also works in business equity.
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.
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.
5. Ian Harte
The 42-year-old is now a football agent and most notable represents former Leeds players Jack Clarke and Tyler Denton.
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.