The umpires kept a close eye on the ball, Australia v England, 4th Ashes Test, Melbourne, 4th day, December 29, 2017© Getty Images
David Warner drives through the covers, Australia v England, 4th Ashes Test, Melbourne, 4th day, December 29, 2017© Getty Images
James Anderson and Joe Root inspect the ball, Australia v England, 4th Ashes Test, Melbourne, 4th day, December 29, 2017© Getty Images