Gianfranco Zola believes competition for a place in the England World Cup squad can only help West Ham climb the Barclays Premier League table.
Goalkeeper Robert Green, centre-back Matthew Upson and striker Carlton Cole have all been involved with Fabio Capello's squad during the qualifying campaign.
"They know that Capello will be looking for them in the season and the way they perform for their clubs," Zola said on the club's official website, www.whufc.com.
""That is a very good point for me as they know they have to perform well if they want to be there.
"The competition they have in front is tough, but that is the good point about that.
"You have to be competitive in this world and have to be focused to do that.
"They know the reality is that and they are good boys and they will fight and play their best football."
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