Grigor Dimitrov of Bulgaria, right, is congratulated by Milos Raonic of Canada at the net after he won their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014.(AP Photo/Andrew Brownbill)

Australian Open Tennis

Grigor Dimitrov of Bulgaria, right, is congratulated by Milos Raonic of Canada at the net after he won their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014.(AP Photo/Andrew Brownbill)

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