Players surround Justin Langer after he was struck a sickening blow on his head. He later went to hospital where he was diagnosed with concussion, South Africa v Australia, 3rd Test, Johannesburg, April 1, 2006© Getty Images
Justin Langer leaves the field after being hit with the first ball of Australia's innings, South Africa v Australia, 3rd Test, Johannesburg, April 1, 2006© Getty Images
Makhaya Ntini struck Justin Langer on the head with the first ball of the innings. He retired hurt, South Africa v Australia, 3rd Test, Johannesburg, April 1, 2006© Getty Images