Mitchell Marsh and Travis Head faltered in their T20I opener as Australia collapsed early against South Africa. Rabada dismissed both openers, exposing cracks in the newly announced top-order duo.

The two cricket heavyweights will lock horns in the series opener as Mitchell Marsh has confirmed he will open the innings.

Now leading the T20I side, the 33-year-old said he will stay at the top of the order after opening in all five matches ...