Name: Cav plays 'Whose bum is it anyway?'
Uploaded: 2014-09-24T10:04:18.187Z
Duration: 1 min 10 s
Description: Clare Balding puts Mark Cavendish's knowledge of his rivals' rear ends to the test! Watch Cavendish, George Groves and Kellie Maloney on The Clare Balding Show, Thursday 25th September at 10.15pm on BT Sport 1.