MASON, OH - AUGUST 21: Marin Cilic of Croatia serves to Andy Murray of Great Britain in the men's singles final on Day 9 of the Western & Southern Open at the Lindner Family Tennis Center on August 21, 2016 in Mason, Ohio. Cilic defeated Murray 6-4, 7-5. (Photo by Joe Robbins/Getty Images)
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MASON, OH - AUGUST 21: Marin Cilic of Croatia hits a return against Andy Murray in the final match during day 9 of the Western & Southern Open at the Lindner Family Tennis Center on August 21, 2016 in Mason, Ohio. (Photo by Andy Lyons/Getty Images)
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