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Switzerland's Roger Federer looks to play a backhand return to Britain's Andy Murray during their men's semifinal at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 25, 2013. (AP Photo/Andrew Brownbill)

Associated Press
Switzerland's Roger Federer looks to play a backhand return to Britain's Andy Murray during their men's semifinal at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 25, 2013. (AP Photo/Andrew Brownbill)
Switzerland's Roger Federer looks to play a backhand return to Britain's Andy Murray during their men's semifinal at the Australian Open tennis championship in Melbourne, Australia, Friday, Jan. 25, 2013. (AP Photo/Andrew Brownbill)
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