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Barcelona's Romario (l) fires his team's second goal past Manchester United's Steve Bruce (r) and Gary Pallister (c) (Photo by Tony Marshall - PA Images via Getty Images)

Barcelona's Romario (l) fires his team's second goal past Manchester United's Steve Bruce (r) and Gary Pallister (c)  (Photo by Tony Marshall - PA Images via Getty Images)

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2 NOV 1994: MANCHESTER UNITED's DENNIS IRWIN LEADS HIS TEAM OFF THE PITCH DEJECTED AFTER LOSING 4-0 TO BARCELONA IN THE CHAMPIONS LEAGUE MATCH AT THE NOU CAMP STADIUM IN BARCELONA, SPAIN. Mandatory Credit: David Rogers/ALLSPORT

2 NOV 1994:  MANCHESTER UNITED's DENNIS IRWIN LEADS HIS TEAM OFF THE PITCH DEJECTED AFTER LOSING 4-0 TO BARCELONA IN THE CHAMPIONS LEAGUE MATCH AT THE NOU CAMP STADIUM IN BARCELONA, SPAIN. Mandatory Credit: David Rogers/ALLSPORT

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(L-R) Manchester United's Nicky Butt, Paul Parker, Gary Walsh and Steve Bruce trudge dejectedly back to their positions after a Barcelona goal (Photo by Ross Kinnaird - PA Images via Getty Images)

(L-R) Manchester United's Nicky Butt, Paul Parker, Gary Walsh and Steve Bruce trudge dejectedly back to their positions after a Barcelona goal  (Photo by Ross Kinnaird - PA Images via Getty Images)

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Mark Hughes, Manchester United, tackles Ronald Koeman, Barcelona. (Photo by Tony Marshall/EMPICS via Getty Images)

Mark Hughes, Manchester United, tackles Ronald Koeman, Barcelona.  (Photo by Tony Marshall/EMPICS via Getty Images)