West Ham United boss Sam Allardyce admits they face a tough challenge this weekend against Everton.
Having signed the likes of England midfielder Gareth Barry, Belgium striker Romelu Lukaku and Republic of Ireland midfielder James McCarthy in the summer, new Toffees manager Roberto Martinez has a strong squad at his disposal, presenting a stern test for Big Sam's men.
He told West Ham TV: "I think Roberto and their Chairman have made Everton much better. Gareth Barry, McCarthy and Lukaku make them a bigger force to be reckoned with than they were last season, so it will be a really tough game.
"I know they have lost Marouane Fellaini but the sort of players they have got into replace him, like Lukaku and Arouna Kone, mean it will be a tough game.
"I watched them against Chelsea and they were absolutely terrific. We'll look forward to it and hopefully try to get the result we didn't get last year against them, when we went ahead, went down to ten men against them and eventually lost 2-1."
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