Blackburn full-back Bruno Berner could miss the start of the season because of a foot injury.
The Swiss defender is having an X-ray on Thursday after suffering the setback in Wednesday night´s friendly defeat by League One side Huddersfield.
Manager Mark Hughes said: "There´s a little bit of concern as he has had a metatarsal injury in the past. But he was able to walk which was something he couldn´t do apparently when he had the problem before."
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