Ashes 2015: Alastair Cook says Mitchell Johnson's feats in Australia whitewash hard to repeat

By Chris Barrett
Updated July 7 2015 - 8:13pm, first published 7:25pm
CARDIFF, WALES - JULY 06:  Prince Charles, Prince of Wales shares a joke with Australia cricketers Peter Nevill and Mitchell Johnson (r) during a Royal visit ahead of the 1st Investec Ashes Test match between England and Australia at SWALEC Stadium on July 6, 2015 in Cardiff, United Kingdom.  (Photo by Stu Forster/Getty Images) Photo: Stu Forster
CARDIFF, WALES - JULY 06: Prince Charles, Prince of Wales shares a joke with Australia cricketers Peter Nevill and Mitchell Johnson (r) during a Royal visit ahead of the 1st Investec Ashes Test match between England and Australia at SWALEC Stadium on July 6, 2015 in Cardiff, United Kingdom. (Photo by Stu Forster/Getty Images) Photo: Stu Forster