ADELAIDE, AUSTRALIA - NOVEMBER 25: Australian captain Michael Clarke is hit by the ball whilst running between the wickets during day four of the Second Test Match between Australia and South Africa at Adelaide Oval on November 25, 2012 in Adelaide, Australia. (Photo by Cameron Spencer/Getty Images)
ADELAIDE, AUSTRALIA - NOVEMBER 25: Australian captain Michael Clarke is hit by the ball whilst running between the wickets during day four of the Second Test Match between Australia and South Africa at Adelaide Oval on November 25, 2012 in Adelaide, Australia. (Photo by Cameron Spencer/Getty Images)