Joe Root Century at the Wanderers in the Third test

Joe Root made it nine test centuries for him on the second day of the third test for England v South Africa. He and Ben Stokes led a fight back with the bat which led to England closing a day shortened by rain on 238-5, trail by 75 runs. Jonathan Agnew and Geoffrey Boycott discuss the highs and lows of Englands performance and we hear from Joe Root.