Tottenham boss Mauricio Pochettino is wary of going to Sheffield United for their Capital One Cup semifinal second-leg.
Pochettino maintained the Barclays Premier League side will not take Nigel Clough's League One team lightly, especially given the shocks in the FA Cup last weekend.
"Now we realise the level of Sheffield United. We have seen other examples in the FA Cup too, so we have to be strong in our minds and expect a tough game," the Argentinian coach said.
"It is going to be a difficult game in a good atmosphere and we have to be ready to fight.
"We have to improve our game and play more quickly than in the first leg, when we played in a very slow tempo.
"They played deep and we ended up playing the way they wanted us to play, so now we must play quicker and the way we want to play.
"The weekend showed football is all about motivation and belief, so this is a different game (from the first leg)."
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