That not only extended his lead among wicketkeepers - the next best is five - .
That not only lifted him level with the West Indies ' Viv Richards and Indian openers Gautam Gambhir and Virender Sehwag as the only batsmen in Test history to achieve that feat .
That not only extended his lead among wicketkeepers - the next best is five - but lifted him level with the West Indies ' Viv Richards and Indian openers Gautam Gambhir and Virender Sehwag as the only batsmen in Test history to achieve that feat .