Sono is trying to lure the striker to his club in order to help him get back into the Premiership again next season.
According to our sources, the Ezenkosi boss is also trying to sign another, as yet, unnamed striker from Burundi, who also impressed him during the Afcon qualifier in Gaborone recently.
"Mjomane and Gavin Hunt were here to watch the game between Botswana and Burundi," says the source.
"He is keen to sign Joel and is talking to the relevant people. He is also interested in signing another Burundian striker who impressed him during the Afcon qualifier in Botswana ," he added.