Cassius Mailula's early strike was all Mamelodi Sundowns needed to silence thousands of home fans who had flocked the Orlando Stadium to support Orlando Pirates.
Despite a spirited second half by the Sea Robbers, the Premier Soccer League defending champions showed encouraging resilience at the back to complete a double against the Soweto heavyweights.
The victory was the Brazilian's 15th in a row, further underlining their quality in South African top flight football.
This is how Downs rated.