Sweating Blood: My Life In Squash - Exclusive Extract - Why Nick Matthew Hides Any Nerves Behind A Poker Face

In this 2nd of a series of exclusive extracts from Sweating Blood: My Life In Squash, Nick Matthew talks explains why he often tries to hide any nerves behind a poker face. For more information, visit: http://www.isportstore.com/NM-Autobiography/NM-Autobiography.aspx