Mitchell Johnson began his second-innings work by removing Andrew Strauss, Australia v England, 3rd Test, Perth, 3rd day, December 18, 2010© Getty Images
A pitch map of Mitchell Johnson's bowling, Australia v England, 3rd Test, Perth, 2nd day, December 17, 2010© Hawk-Eye
Mitchell Johnson celebrates his five-wicket haul, Australia v England, 3rd Test, Perth, 2nd day, December 17, 2010© Getty Images