Birmingham's acting chairman Peter Pannu has defended club owner Carson Yeung's spending policy although he concedes purchases he has funded "have not substantially improved the team."
Blues have still to buy any players during the current transfer window although Tottenham winger David Bentley has signed on loan, but attempts to sign Robbie Keane and Kenny Miller from Spurs and Rangers respectively failed to come to fruition.
Pannu told the Birmingham Mail: "There have been fans and others questioning Carson's spending of money in this window. He has so far in total spent £26.3million since his arrival."
Pannu added: "Unfortunately, most of the purchases have not played much and have not substantially improved the team directly.
"There are no blames here against anybody. These things do happen.
"Equally, no-one can blame him (Yeung) if he feels he is not sure if his money is well spent and that if it is translated into league positions.
"Alex McLeish has worked very hard with the board to improve the team but injuries to players have not been too helpful in this cause."
Pannu insists spending mega money on one player is not the way forward for City.
He said: "We understand the concerns but the solution is not spending £18-19 million on one player who may not contribute much to the club as the time ticks. Good value and long term contribution is the key.
"No players come to the club without Alex's approval, all players at the club are valued and treasured and must fight hard to play. I support Alex completely on that as long as they are all given a chance."
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