Murray out of Japan Open

TENNIS: Britain&rsquo;s Andy Murray has pulled out of next week&rsquo;s Japan Open in order to preserve his fitness for the ATP World Tour Finals in London.<br /><br />World No3 Murray has been suffering from a wrist injury and said: &ldquo;There&rsquo;s a big tournament in London next month and I want to make sure I&rsquo;m fit for that.&rdquo;