Cobus Reinach and Malcolm Marx scored two tries apiece as South Africa beat Argentina 29-27 at Twickenham to win successive Rugby Championship titles for the first time in their history.

George Russell in a Mercedes took pole position on Saturday for the Singapore Grand Prix ahead of Red Bull's Max Verstappen, as McLaren were outpaced around the Marina Bay Circuit.

Australia failed to produce a fairytale finish for stalwart James Slipper on Saturday against New Zealand but the Wallabies' most capped player walked away with plaudits and plenty of admiration.

New Zealand overcame Australia 28-14 in wet conditions on Saturday to keep their Rugby Championship title dream alive and spoil the swansong of Wallaby prop James Slipper.