Alex McLeish had apparently given up hope of bringing the 32-year-old defender to St Andrews because of the players wage demands but reports suggest that the Blues boss has not given up hope on signing the Guinea international centre-back.
"Bobo's on international duty with Guinea at the moment so we can't take things any further until he gets back," said McLeish.
"But we are hopeful a deal could be done. We've looked at a million centre-backs and Balde is still the one who stands out."