Six thousand Leicester City fans will descend on west London on Sunday for their FA Cup quarter-final against Chelsea.
The Foxes sold their ticket allocation for the eagerly-awaited tie in just two days.
Awaiting the winners is a semi-final trip to Wembley.
The match will bring back memories of the controversial FA Cup 5th Round match between the two sides in 1997.
Chelsea won a closely-fought game with a highly dubious late penalty.
The decision enraged Leicester's fans, players and manager Martin O'Neill.
Even the then Prime Minister John Major said the referee got it wrong.
Fifteen years later, the Foxes may have revenge on their minds this weekend.