He spent much of last season cast out by Steve Bruce, and found first team opportunities difficult to come by. A January loan move to Stoke faired little better as Camara made just four appearances for the Potteries club.
However Blades boss Kevin Blackwell is optimistic that Camara can do a job for him. He said: "He's a proven goalscorer and although he will take a bit of time to get fit, he will be able to give us cameo roles from the bench to begin with."
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