Mauricio Pochettino has told his Tottenham players to match West Ham's fight and desire if they want to overcome their London rivals on Saturday.
Spurs' title challenge was all-but ended last term by a 1-0 defeat at the London Stadium and two years ago they lost by the same scoreline as the Hammers dented their hopes of catching Leicester.
This season's fixture comes much earlier in the campaign but Tottenham can hardly afford another slip-up given they already trail both Manchester United and Manchester City by five points.
The Hammers tend to raise their game against their fiercest rivals and Pochettino has warned his side they must be up for the fight.
"For all the excitement and desire they show to beat us, we must show the same. We must show the same desire, excitement and aggressivity," Pochettino said.
"It is a derby. When you play a derby they try to give their best and try to win. It is our enemy, I understand very well that. For us we have to follow our way.
"We know very well what it means for our fans to play against West Ham. We will try to stay and be ready to compete, fight and be aggressive."
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