Birmingham have worries about the fitness of midfielder Craig Gardner ahead of Saturday`s home clash with Chelsea.
Gardner is top of Blues` goalscoring charts for this season so far with four to his name, but he suffered an ankle injury in the game at Eastlands last week.
The 23 year old has been to see a specialist this week and Blues boss Alex McLeish is waiting anxiously on the results.
Gardner has done well this season and is keeping the likes of Lee Bowyer on the subs bench.
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