Town are reported to have made a £500,000 offer for Derby County striker Steve Davies but with the Rams wanting a fee closer to £1 million. The 24-year-old was initially mentioned in connection with the Blues, as well as Leeds and Bristol City, last month.
Derby manager Nigel Clough recently revealed that Davies had been transfer-listed having turned down the offer of a new contract due to "a genuine family reason". Davies has a year remaining on his current deal, the Rams having taken up an option on his previous terms.
Blues boss Paul Jewell signed Davies from Tranmere when manager at Pride Park for a fee which could have risen as high as £725,000 had various clauses been triggered.
Injuries - including a fractured skull last October - have limited Davies to only 55 starts and 39 sub appearances in his four years with Derby, in which time he has scored 23 goals, 12 of them during 2011/12.
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