Roddick advances after Djokovic quits in quarters (AP)

[riky]

Roddick advances after Djokovic quits in quarters
    (AP)

 

<p>You are not allowed to view links. Register or LoginAP - Defending champion Novak Djokovic struggled in the heat Tuesday before retiring from his Australian Open quarterfinal against American Andy Roddick.</p><br clear="all"/>


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