He played down fears over West Brom's form after they started the campaign with a 1-0 home defeat to Southampton after struggling at the end of last season.
Foster said: "Are we concerned? Not at all. Our pre-season form has been very good and we have played some good football.
"There's no lingering worries in our dressing-room about how it might go this season.
"We didn't show it on Saturday but we will stick with what we do and we have belief in ourselves."
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