Onyango has signed a four-and-a-half-year deal with Sundowns.
The Brazilians confirmed the latest news on their official Twitter account on Monday.
“Mamelodi Sundowns and Denis Onyango agreed on a contract extension of four and a half years. The Ugandan goalkeeper is currently the best goalkeeper in Africa having been named in the Confederation of African Football’s Best XI,” read a tweeted from Sundowns.
The Ugandan international joined Sundowns from Mpumalanga Black Aces 2011 and has won several trophies with the club, including the Caf Champions League.
Onyango is considered as one of the best goalkeepers on the continent and has won the reigning Caf Goalkeeper of the Year.
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