West Ham United are the visitors to Wembley for our fourth round tie, kick-off 8pm.
The players are acutely aware that Slaven Bilic's men will be hungry for victory to claim bragging rights and soothe their Premier League woes.
But they're determined to remain focused in a bid to get through to the last eight. Here's what the lads had to say ahead of the game...
Dele Alli
Thoughts on this London derby
"We know how big it is for the fans. We want to win every game anyway so nothing changes there, but it certainly makes it even more important when we know how much the fans want to win it.