Grigor Dimitrov of Bulgaria touches his nose as he plays Rafael Nadal of Spain during their quarterfinal at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 22, 2014. (AP Photo/Rick Rycroft)

Australian Open Tennis

Grigor Dimitrov of Bulgaria touches his nose as he plays Rafael Nadal of Spain during their quarterfinal at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 22, 2014. (AP Photo/Rick Rycroft)

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