Chanaka Welegedara is hit on the helmet by James Anderson, Sri Lanka v England, 1st Test, Galle, 2nd day, March 27, 2012© AFP
Kane Williamson acknowledges his century, New Zealand v South Africa, 3rd Test, Wellington, 5th day, March 27, 2012© Associated Press
Kane Williamson plays off the back foot, New Zealand v South Africa, 3rd Test, Wellington, 5th day, March 27, 2012© Getty Images