The former national team goalie, who was sacked by Bidvest Wits just before the start of the season, takes over from Augusto Palacios signing a three year deal.
Bucs chairman Irvin Khoza says the decision behind Njenje's stepping down is for him to concentrate on his health.
"Mr Augusto Palcios had to go hospital to do surgery on his spine," the Iron Duke says.
"So we have agreed with him that for the benefit of the club, he'll step aside and take time to recover."
"When he's fully recovered, he'll go back to the development team. And maybe sometime in the future he'll help with the first team."
Khoza adds: "The decision was purely based on the health matter and had nothing to do with results."
Palacios says he is sad to leave the job, but that he must put his health first.
"For me the most important thing after the operation is my health and my family. It's very sad to leave the team at this moment."
De Sa says he is happy to be at the club.
"It's an honour to be here. This kind of opportunity only comes once in a career," he says.




Your comments on this story...
Pirates Hae Jewe Feela(Tau Ya Matshega)
Mutombo had a heart problem after Pirates, we all know what happened thereafter, he is history.
If De Sa is here to take chances, you will die young boykie.
roger de sa and benni(18VL).HAHAHA.
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You are right on this one khosi. I hated that about De Sa but as long as he insults KC, I am fine with it, lol.
i guesse its gna be da same with pirates
mabhakaniya jus get ready for a trophy less season
i wonder how he is going to RELATE WITH BENNI SINCE THEY TRADED HEAVY INSULTS LAST SEASON...
wena Fakude, are you a speacilist in reporting about Pirates
Krol was fired because he didn't submit ' technical report'
Leal because ' he couldn't see his way through'
Now this ! Are pie city fans that dumb? He find it easy to give such a lame excuse for firing palacious?