Birmingham central defender Martin Taylor will miss the first month of the Barclays Premier League season with a stomach muscle tear.
The former Blackburn player is to undergo surgery on Monday after being troubled by the problem for the past week.
City manager Steve Bruce said: "Martin goes into hospital on Monday for surgery. He will be out of action for at least a month. He has been feeling this problem for the past week or so and we just felt it was better to get it sorted out straight away."
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