Ex-Spartak Moscow ace Emenike said: “I have always known West Ham as a great club.
“I’ve always been watching them. West Ham’s a great club and I’m happy to be here.
“I’ve known Bilic for years. When he was at Lokomotiv Moscow, I was at Spartak Moscow, then he came to Besiktas and I was in Fenerbahce, so we’ve known each other for a long time.
“I’m happy to be here and happy to play for him.”