India, June 16 -- Sledging Yuvraj Singh is not the best of ideas. England great Andrew Flintoff found out the hard way in the 2007 T20 World Cup when the India white-ball legend unleashed hell on pacer Stuart Broad, smashing him for six sixes in an over in a Super Six stage match at Durban. After achieving the rare feat, Yuvraj even pointed his bat towards Flintoff, with whom he had been involved in a heated argument not too long ago. But this was not always the case.

When Yuvraj first turned up for India as a 19-year-old, he wasn't nearly as feisty as Flintoff found him to be seven years later. In fact, arguing or swearing on the field was the last thing on the all-rounder's mind while playing cricket. It was his debut against Australia...