Birmingham have taken former Monaco and Internazionale striker Mohammed Kallon on trial.
The 27-year-old is a free-agent and has been interesting a number of clubs in England.
Birmingham have now stepped to the front of the queue after brining him in on a trial spell.
"Kallon is here and training with us," said Bruce.
"He has got no club because Monaco have paid him up. We'll have a good look at him for a week or so and see how he goes.
"I saw him play against Ipswich for Inter Milan a few years ago and he is something a bit different to the others up front."
Meanwhile, Bruce has confirmed that he has missed out on long-term target Peter Luccin - who has decided to join Real Zaragoza from Atletico Madrid.
"The Luccin deal looks like it has drifted away unfortunately," said a disappointed Bruce.
"That was the one we have been chasing all week.
"The player has decided to stay in Spain and it looks like he is going to go to Real Zaragoza which is a bit of a blow to us.
"I thought it was a done deal on Wednesday but it looks like he has chosen Real Zaragoza. That has been a disappointment because the three midfielders we have chased have not come here.
"We spent weeks on the Mathieu Flamini one but he decided to stay with Arsenal, we know the problems we had with Hossam Ghaly and now we've missed out on Luccin.
"At this particular stage I don't think anything else will be happening before the window closes - unless something jumps out at me in the next few hours."