Cape Town: Australia won the toss and chose to field in a Twenty20 World Cup Super Eights match against Sri Lanka today.
Shane Watson replaced injured Australian captain Ricky Ponting.
Sri Lanka named an unchanged team.
Australia: Adam Gilchrist (captain), Matthew Hayden, Brad Hodge, Andrew Symonds, Michael Hussey, Michael Clarke, Shane Watson, Brett Lee, Mitchell Johnson, Nathan Bracken, Stuart Clark.
Sri Lanka: Upul Tharanga, Sanath Jayasuriya, Kumar Sangakkara, Mahela Jayawardene (captain), Tillakaratne Dilshan, Chamara Silva, Jehan Mubarak, Farveez Maharoof, Chaminda Vaas, Dilhara Fernando, Lasith Malinga.