West Brom defender Marek Cech wants to leave the club this summer after having only limited first-team opportunities since signing from Porto last year.
The Slovakia international has started only two Barclays Premier League games for the relegation-threatened Baggies.
Cech told BBC WM: "My season here at West Brom is the worst of my career. For sure I'm looking to a change of club because of this year."
Albion boss Tony Mowbray has preferred the long-serving Paul Robinson as his first-choice left-back.
And Cech is concerned his lack of first-team football could cost him the chance to play in the 2010 World Cup finals.
He added: "I think things won't change here, I need to leave to play whole games.
"I'm a national player, I need to play. If I don't play I will lose my place in the national team.
"We are first in the qualifying table now, we have a big chance to go to the World Cup, and if I'm not there I'd be very sad."
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