The Blues left back is struggling to be fit in time for the clash with Manchester City at St. Andrew's on Friday afternoon.
Clapham is carrying a hamstring injury that may well have forced him to miss last saturdays postponed game against Middlesbrough and is facing a race against time to be fit for the game against Kevin Keegans side.
The popular defender has been named first choice left-back in every one of Steve Bruce's sides so far this season and never been substituted or never been yellow-carded. No other Premiership outfield player has managed this.
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