England v Australia: 2nd Investec Ashes Test - Day Three
LONDON, ENGLAND - JULY 20: Ashton Agar of Australia jumps to field off his own bowling watched by centurion Joe Root of England during day three of the 2nd Investec Ashes Test match between England and Australia at Lord's Cricket Ground on July 20, 2013 in London, England. (Photo by Gareth Copley/Getty Images)
Root cause of Aussie problems
Ashes 2nd Test: Key moments from the third day at Lord's.