Video: Yuvraj's 6 sixes in an over against Stuart Broad in 2007 WT20

Yuvraj Singh, who announced his retirement from international cricket and IPL today, became the first cricketer to smash six sixes in an over in T20I cricket on September 19, 2007. Yuvraj achieved the feat off England fast bowler Stuart Broad in the inaugural World T20. He went on to score international cricket's fastest 50 off 12 balls in the match.