West Ham United goalkeeper Robert Green believes new signing Savio Nsereko can have a big future at Upton Park.

After their draw at Arsenal, Green told whufc.com: "Everyone was working hard and when Savio came on he was working hard and chasing.

"I'm sure it's a bit different from Brescia as running out at the Emirates is a bit different from playing in Serie B. I'm sure he knows he's still got a lot to learn but he's very young and I think he knows he's not the finished product just yet."