It's understandable if most Manchester United fans have put the 2011 Carling Cup defeat to Crystal Palace to the back of their minds.
But it's worth recalling the match now the Reds and the Eagles have agreed a deal that will see young forward Wilfried Zaha join United in July 2013.
Zaha turned in a dazzling display that evening, as Palace beat United 2-1 to progress to the sixth round.