7. Chris Gayle
You might be getting offended to see this guy in the seventh position, as I know you were expecting this guy to be at the top-list. But, buddy, its the stats of international level, not a domestic one.
In international format, this guy had his biggest lofty six in the year of 2010, in T20 World Cup. The victim was Yusuf Pathan. The venue was Barbados. hope, the fans there enjoyed it, as it was his home ground at last.