West Ham have completed the signing of Ecuador striker Enner Valencia after he was given a work permit. The 24 year old striker has signed a five-year contract from Mexican club Pachuca for a fee reported to be £12m.
He said: "I want to repay the club in my performances for what they are investing in me."
In a statement, West Ham said they "fought off competition from a host of Europe's leading clubs" for Valencia.
"I've already watched and read a lot about the club to learn about it - I know the fans are really passionate and I'm really glad to have signed.
"The World Cup was a good tournament for me personally, I scored three times and for my first World Cup it was a good experience, but I hope my next one is better for me and the team.
"Of course, the World Cup gives me confidence to come to Europe and I want to take and advance with this opportunity that West Ham have given to me."
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