Gibbs hitting six 6 in an over.On a record-breaking day for the South Africans, Gibbs hammered hapless leg spinner Daan van Bunge back over his head four times and over the ropes on the on side twice to become the first player to achieve the feat at the World Cup. He also became the third man ever to achieve the feat in first class cricket, joining India's Ravi Shastri and West Indian...